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[Solved] Why does this crash?


EnderPoint

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---- Minecraft Crash Report ----
// Daisy, daisy...

Time: 14/03/22, 4:23 pm
Description: mouseClicked event handler

java.lang.NullPointerException: mouseClicked event handler
	at java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:273) ~[?:?] {}
	at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?] {}
	at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:992) ~[?:?] {}
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:762) ~[?:?] {}
	at java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:276) ~[?:?] {}
	at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:992) ~[?:?] {}
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) ~[?:?] {}
	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) ~[?:?] {}
	at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:921) ~[?:?] {}
	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:?] {}
	at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:682) ~[?:?] {}
	at net.minecraft.world.level.biome.BiomeGenerationSettings.<init>(BiomeGenerationSettings.java:50) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading}
	at net.minecraft.world.level.biome.BiomeGenerationSettings$Builder.build(BiomeGenerationSettings.java:110) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraftforge.common.ForgeHooks.enhanceBiome(ForgeHooks.java:888) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2376%2382!/:?] {re:classloading}
	at net.minecraft.world.level.biome.Biome.lambda$static$6(Biome.java:55) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B}
	at com.mojang.datafixers.util.Function6.lambda$null$4(Function6.java:18) ~[datafixerupper-4.0.26.jar%2343!/:?] {}
	at com.mojang.serialization.DataResult$Instance.ap3(DataResult.java:337) ~[datafixerupper-4.0.26.jar%2343!/:?] {}
	at com.mojang.serialization.codecs.RecordCodecBuilder$Instance$5.decode(RecordCodecBuilder.java:321) ~[datafixerupper-4.0.26.jar%2343!/:?] {}
	at com.mojang.serialization.codecs.RecordCodecBuilder$2.decode(RecordCodecBuilder.java:107) ~[datafixerupper-4.0.26.jar%2343!/:?] {}
	at com.mojang.serialization.MapDecoder.lambda$compressedDecode$0(MapDecoder.java:52) ~[datafixerupper-4.0.26.jar%2343!/:?] {}
	at com.mojang.serialization.DataResult.lambda$flatMap$10(DataResult.java:138) ~[datafixerupper-4.0.26.jar%2343!/:?] {}
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-4.0.26.jar%2343!/:?] {}
	at com.mojang.serialization.DataResult.flatMap(DataResult.java:136) ~[datafixerupper-4.0.26.jar%2343!/:?] {}
	at com.mojang.serialization.MapDecoder.compressedDecode(MapDecoder.java:52) ~[datafixerupper-4.0.26.jar%2343!/:?] {}
	at com.mojang.serialization.MapCodec$MapCodecCodec.decode(MapCodec.java:91) ~[datafixerupper-4.0.26.jar%2343!/:?] {}
	at com.mojang.serialization.Decoder.parse(Decoder.java:18) ~[datafixerupper-4.0.26.jar%2343!/:?] {}
	at net.minecraft.resources.RegistryResourceAccess$InMemoryStorage.parseElement(RegistryResourceAccess.java:143) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading}
	at net.minecraft.resources.RegistryReadOps.readAndRegisterElement(RegistryReadOps.java:102) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.resources.RegistryReadOps.lambda$decodeElements$5(RegistryReadOps.java:86) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B}
	at com.mojang.serialization.DataResult.lambda$flatMap$10(DataResult.java:138) ~[datafixerupper-4.0.26.jar%2343!/:?] {}
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-4.0.26.jar%2343!/:?] {}
	at com.mojang.serialization.DataResult.flatMap(DataResult.java:136) ~[datafixerupper-4.0.26.jar%2343!/:?] {}
	at net.minecraft.resources.RegistryReadOps.decodeElements(RegistryReadOps.java:85) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.core.RegistryAccess.readRegistry(RegistryAccess.java:154) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading}
	at net.minecraft.core.RegistryAccess.load(RegistryAccess.java:146) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading}
	at net.minecraft.resources.RegistryReadOps.createAndLoad(RegistryReadOps.java:35) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.core.RegistryAccess.builtin(RegistryAccess.java:104) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading}
	at net.minecraft.client.gui.screens.worldselection.CreateWorldScreen.create(CreateWorldScreen.java:118) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.gui.screens.worldselection.SelectWorldScreen.lambda$init$4(SelectWorldScreen.java:60) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.gui.components.Button.onPress(Button.java:29) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.gui.components.AbstractButton.onClick(AbstractButton.java:17) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.gui.components.AbstractWidget.mouseClicked(AbstractWidget.java:111) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.gui.components.events.ContainerEventHandler.mouseClicked(ContainerEventHandler.java:28) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.MouseHandler.lambda$onPress$0(MouseHandler.java:88) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.gui.screens.Screen.wrapScreenError(Screen.java:527) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.MouseHandler.onPress(MouseHandler.java:85) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.MouseHandler.lambda$setup$4(MouseHandler.java:185) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.util.thread.BlockableEventLoop.execute(BlockableEventLoop.java:90) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.client.MouseHandler.lambda$setup$5(MouseHandler.java:184) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at org.lwjgl.glfw.GLFWMouseButtonCallbackI.callback(GLFWMouseButtonCallbackI.java:36) ~[lwjgl-glfw-3.2.2.jar%2355!/:build 10] {}
	at org.lwjgl.system.JNI.invokeV(Native Method) ~[lwjgl-3.2.2.jar%2361!/:build 10] {}
	at org.lwjgl.glfw.GLFW.glfwWaitEventsTimeout(GLFW.java:3174) ~[lwjgl-glfw-3.2.2.jar%2355!/:build 10] {}
	at com.mojang.blaze3d.systems.RenderSystem.limitDisplayFPS(RenderSystem.java:185) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.Minecraft.runTick(Minecraft.java:1066) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.Minecraft.run(Minecraft.java:661) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.main.Main.main(Main.java:205) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] {}
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?] {}
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] {}
	at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?] {}
	at net.minecraftforge.fml.loading.targets.ForgeClientUserdevLaunchHandler.lambda$launchService$0(ForgeClientUserdevLaunchHandler.java:38) ~[fmlloader-1.18.1-39.1.2.jar%230!/:?] {}
	at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-9.1.3.jar%2310!/:?] {}
	at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:53) [modlauncher-9.1.3.jar%2310!/:?] {}
	at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:71) [modlauncher-9.1.3.jar%2310!/:?] {}
	at cpw.mods.modlauncher.Launcher.run(Launcher.java:106) [modlauncher-9.1.3.jar%2310!/:?] {}
	at cpw.mods.modlauncher.Launcher.main(Launcher.java:77) [modlauncher-9.1.3.jar%2310!/:?] {}
	at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26) [modlauncher-9.1.3.jar%2310!/:?] {}
	at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23) [modlauncher-9.1.3.jar%2310!/:?] {}
	at cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:149) [bootstraplauncher-1.0.0.jar:?] {}


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Thread: Render thread
Stacktrace:
	at java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:273) ~[?:?] {}
	at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?] {}
	at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:992) ~[?:?] {}
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:762) ~[?:?] {}
	at java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:276) ~[?:?] {}
	at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:992) ~[?:?] {}
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) ~[?:?] {}
	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) ~[?:?] {}
	at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:921) ~[?:?] {}
	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:?] {}
	at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:682) ~[?:?] {}
	at net.minecraft.world.level.biome.BiomeGenerationSettings.<init>(BiomeGenerationSettings.java:50) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading}
	at net.minecraft.world.level.biome.BiomeGenerationSettings$Builder.build(BiomeGenerationSettings.java:110) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraftforge.common.ForgeHooks.enhanceBiome(ForgeHooks.java:888) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2376%2382!/:?] {re:classloading}
	at net.minecraft.world.level.biome.Biome.lambda$static$6(Biome.java:55) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B}
	at com.mojang.datafixers.util.Function6.lambda$null$4(Function6.java:18) ~[datafixerupper-4.0.26.jar%2343!/:?] {}
	at com.mojang.serialization.DataResult$Instance.ap3(DataResult.java:337) ~[datafixerupper-4.0.26.jar%2343!/:?] {}
	at com.mojang.serialization.codecs.RecordCodecBuilder$Instance$5.decode(RecordCodecBuilder.java:321) ~[datafixerupper-4.0.26.jar%2343!/:?] {}
	at com.mojang.serialization.codecs.RecordCodecBuilder$2.decode(RecordCodecBuilder.java:107) ~[datafixerupper-4.0.26.jar%2343!/:?] {}
	at com.mojang.serialization.MapDecoder.lambda$compressedDecode$0(MapDecoder.java:52) ~[datafixerupper-4.0.26.jar%2343!/:?] {}
	at com.mojang.serialization.DataResult.lambda$flatMap$10(DataResult.java:138) ~[datafixerupper-4.0.26.jar%2343!/:?] {}
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-4.0.26.jar%2343!/:?] {}
	at com.mojang.serialization.DataResult.flatMap(DataResult.java:136) ~[datafixerupper-4.0.26.jar%2343!/:?] {}
	at com.mojang.serialization.MapDecoder.compressedDecode(MapDecoder.java:52) ~[datafixerupper-4.0.26.jar%2343!/:?] {}
	at com.mojang.serialization.MapCodec$MapCodecCodec.decode(MapCodec.java:91) ~[datafixerupper-4.0.26.jar%2343!/:?] {}
	at com.mojang.serialization.Decoder.parse(Decoder.java:18) ~[datafixerupper-4.0.26.jar%2343!/:?] {}
	at net.minecraft.resources.RegistryResourceAccess$InMemoryStorage.parseElement(RegistryResourceAccess.java:143) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading}
	at net.minecraft.resources.RegistryReadOps.readAndRegisterElement(RegistryReadOps.java:102) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.resources.RegistryReadOps.lambda$decodeElements$5(RegistryReadOps.java:86) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B}
	at com.mojang.serialization.DataResult.lambda$flatMap$10(DataResult.java:138) ~[datafixerupper-4.0.26.jar%2343!/:?] {}
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-4.0.26.jar%2343!/:?] {}
	at com.mojang.serialization.DataResult.flatMap(DataResult.java:136) ~[datafixerupper-4.0.26.jar%2343!/:?] {}
	at net.minecraft.resources.RegistryReadOps.decodeElements(RegistryReadOps.java:85) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.core.RegistryAccess.readRegistry(RegistryAccess.java:154) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading}
	at net.minecraft.core.RegistryAccess.load(RegistryAccess.java:146) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading}
	at net.minecraft.resources.RegistryReadOps.createAndLoad(RegistryReadOps.java:35) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.core.RegistryAccess.builtin(RegistryAccess.java:104) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading}
	at net.minecraft.client.gui.screens.worldselection.CreateWorldScreen.create(CreateWorldScreen.java:118) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.gui.screens.worldselection.SelectWorldScreen.lambda$init$4(SelectWorldScreen.java:60) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.gui.components.Button.onPress(Button.java:29) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.gui.components.AbstractButton.onClick(AbstractButton.java:17) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.gui.components.AbstractWidget.mouseClicked(AbstractWidget.java:111) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.gui.components.events.ContainerEventHandler.mouseClicked(ContainerEventHandler.java:28) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.MouseHandler.lambda$onPress$0(MouseHandler.java:88) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.gui.screens.Screen.wrapScreenError(Screen.java:527) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.MouseHandler.onPress(MouseHandler.java:85) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.MouseHandler.lambda$setup$4(MouseHandler.java:185) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.util.thread.BlockableEventLoop.execute(BlockableEventLoop.java:90) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.client.MouseHandler.lambda$setup$5(MouseHandler.java:184) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at org.lwjgl.glfw.GLFWMouseButtonCallbackI.callback(GLFWMouseButtonCallbackI.java:36) ~[lwjgl-glfw-3.2.2.jar%2355!/:build 10] {}
	at org.lwjgl.system.JNI.invokeV(Native Method) ~[lwjgl-3.2.2.jar%2361!/:build 10] {}
	at org.lwjgl.glfw.GLFW.glfwWaitEventsTimeout(GLFW.java:3174) ~[lwjgl-glfw-3.2.2.jar%2355!/:build 10] {}
-- Affected screen --
Details:
	Screen name: net.minecraft.client.gui.screens.worldselection.SelectWorldScreen
Stacktrace:
	at net.minecraft.client.gui.screens.Screen.wrapScreenError(Screen.java:527) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.MouseHandler.onPress(MouseHandler.java:85) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.MouseHandler.lambda$setup$4(MouseHandler.java:185) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.util.thread.BlockableEventLoop.execute(BlockableEventLoop.java:90) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.client.MouseHandler.lambda$setup$5(MouseHandler.java:184) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at org.lwjgl.glfw.GLFWMouseButtonCallbackI.callback(GLFWMouseButtonCallbackI.java:36) ~[lwjgl-glfw-3.2.2.jar%2355!/:build 10] {}
	at org.lwjgl.system.JNI.invokeV(Native Method) ~[lwjgl-3.2.2.jar%2361!/:build 10] {}
	at org.lwjgl.glfw.GLFW.glfwWaitEventsTimeout(GLFW.java:3174) ~[lwjgl-glfw-3.2.2.jar%2355!/:build 10] {}
	at com.mojang.blaze3d.systems.RenderSystem.limitDisplayFPS(RenderSystem.java:185) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.Minecraft.runTick(Minecraft.java:1066) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.Minecraft.run(Minecraft.java:661) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.main.Main.main(Main.java:205) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] {}
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?] {}
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] {}
	at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?] {}
	at net.minecraftforge.fml.loading.targets.ForgeClientUserdevLaunchHandler.lambda$launchService$0(ForgeClientUserdevLaunchHandler.java:38) ~[fmlloader-1.18.1-39.1.2.jar%230!/:?] {}
	at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-9.1.3.jar%2310!/:?] {}
	at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:53) [modlauncher-9.1.3.jar%2310!/:?] {}
	at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:71) [modlauncher-9.1.3.jar%2310!/:?] {}
	at cpw.mods.modlauncher.Launcher.run(Launcher.java:106) [modlauncher-9.1.3.jar%2310!/:?] {}
	at cpw.mods.modlauncher.Launcher.main(Launcher.java:77) [modlauncher-9.1.3.jar%2310!/:?] {}
	at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26) [modlauncher-9.1.3.jar%2310!/:?] {}
	at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23) [modlauncher-9.1.3.jar%2310!/:?] {}
	at cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:149) [bootstraplauncher-1.0.0.jar:?] {}


-- Last reload --
Details:
	Reload number: 1
	Reload reason: initial
	Finished: Yes
	Packs: Default, Mod Resources
Stacktrace:
	at net.minecraft.client.ResourceLoadStateTracker.fillCrashReport(ResourceLoadStateTracker.java:51) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.Minecraft.fillReport(Minecraft.java:2256) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.Minecraft.run(Minecraft.java:678) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.main.Main.main(Main.java:205) ~[forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] {}
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?] {}
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] {}
	at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?] {}
	at net.minecraftforge.fml.loading.targets.ForgeClientUserdevLaunchHandler.lambda$launchService$0(ForgeClientUserdevLaunchHandler.java:38) ~[fmlloader-1.18.1-39.1.2.jar%230!/:?] {}
	at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-9.1.3.jar%2310!/:?] {}
	at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:53) [modlauncher-9.1.3.jar%2310!/:?] {}
	at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:71) [modlauncher-9.1.3.jar%2310!/:?] {}
	at cpw.mods.modlauncher.Launcher.run(Launcher.java:106) [modlauncher-9.1.3.jar%2310!/:?] {}
	at cpw.mods.modlauncher.Launcher.main(Launcher.java:77) [modlauncher-9.1.3.jar%2310!/:?] {}
	at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26) [modlauncher-9.1.3.jar%2310!/:?] {}
	at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23) [modlauncher-9.1.3.jar%2310!/:?] {}
	at cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:149) [bootstraplauncher-1.0.0.jar:?] {}


-- System Details --
Details:
	Minecraft Version: 1.18.1
	Minecraft Version ID: 1.18.1
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 17.0.2, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode, sharing), Oracle Corporation
	Memory: 1406385608 bytes (1341 MiB) / 2558525440 bytes (2440 MiB) up to 4253024256 bytes (4056 MiB)
	CPUs: 16
	Processor Vendor: GenuineIntel
	Processor Name: Intel(R) Core(TM) i7-10870H CPU @ 2.20GHz
	Identifier: Intel64 Family 6 Model 165 Stepping 2
	Microarchitecture: unknown
	Frequency (GHz): 2.21
	Number of physical packages: 1
	Number of physical CPUs: 8
	Number of logical CPUs: 16
	Graphics card #0 name: Intel(R) UHD Graphics
	Graphics card #0 vendor: Intel Corporation (0x8086)
	Graphics card #0 VRAM (MB): 1024.00
	Graphics card #0 deviceId: 0x9bc4
	Graphics card #0 versionInfo: DriverVersion=26.20.100.7985
	Graphics card #1 name: NVIDIA GeForce GTX 1650 Ti
	Graphics card #1 vendor: NVIDIA (0x10de)
	Graphics card #1 VRAM (MB): 4095.00
	Graphics card #1 deviceId: 0x1f95
	Graphics card #1 versionInfo: DriverVersion=30.0.15.1165
	Memory slot #0 capacity (MB): 8192.00
	Memory slot #0 clockSpeed (GHz): 3.20
	Memory slot #0 type: DDR4
	Memory slot #1 capacity (MB): 8192.00
	Memory slot #1 clockSpeed (GHz): 3.20
	Memory slot #1 type: DDR4
	Virtual memory max (MB): 34651.71
	Virtual memory used (MB): 19607.91
	Swap memory total (MB): 18432.00
	Swap memory used (MB): 173.55
	JVM Flags: 1 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump
	Launched Version: MOD_DEV
	Backend library: LWJGL version 3.2.2 SNAPSHOT
	Backend API: NVIDIA GeForce GTX 1650 Ti/PCIe/SSE2 GL version 3.2.0 NVIDIA 511.65, NVIDIA Corporation
	Window size: 1920x1080
	GL Caps: Using framebuffer using OpenGL 3.2
	GL debug messages: 
	Using VBOs: Yes
	Is Modded: Definitely; Client brand changed to 'forge'
	Type: Client (map_client.txt)
	Graphics mode: fancy
	Resource Packs: 
	Current Language: English (US)
	CPU: 16x Intel(R) Core(TM) i7-10870H CPU @ 2.20GHz
	ModLauncher: 9.1.3+9.1.3+main.9b69c82a
	ModLauncher launch target: forgeclientuserdev
	ModLauncher naming: mcp
	ModLauncher services: 
		 mixin PLUGINSERVICE 
		 eventbus PLUGINSERVICE 
		 object_holder_definalize PLUGINSERVICE 
		 runtime_enum_extender PLUGINSERVICE 
		 capability_token_subclass PLUGINSERVICE 
		 accesstransformer PLUGINSERVICE 
		 runtimedistcleaner PLUGINSERVICE 
		 mixin TRANSFORMATIONSERVICE 
		 fml TRANSFORMATIONSERVICE 
	FML Language Providers: 
		[email protected]
		javafml@null
	Mod List: 
		forge-1.18.1-39.1.2_mapped_official_1.18.1-recomp.|Minecraft                     |minecraft                     |1.18.1              |DONE      |Manifest: a1:d4:5e:04:4f:d3:d6:e0:7b:37:97:cf:77:b0:de:ad:4a:47:ce:8c:96:49:5f:0a:cf:8c:ae:b2:6d:4b:8a:3f
		                                                  |Forge                         |forge                         |39.1.2              |DONE      |Manifest: NOSIGNATURE
		main                                              |Uranium Mod                   |mymod                         |0.0NONE             |DONE      |Manifest: NOSIGNATURE
	Crash Report UUID: 949b0f9a-861f-4a6c-858c-b474acdc06ea
	FML: 39.1
	Forge: net.minecraftforge:39.1.2

my oregen class:
 

package com.mymod.world.gen;


import com.mymod.MyMod;
import net.minecraft.data.BuiltinRegistries;
import net.minecraft.data.worldgen.features.OreFeatures;
import net.minecraft.data.worldgen.placement.PlacementUtils;
import net.minecraft.resources.ResourceLocation;
import net.minecraft.world.level.biome.Biome;
import net.minecraft.world.level.levelgen.GenerationStep;
import net.minecraft.world.level.levelgen.VerticalAnchor;
import net.minecraft.world.level.levelgen.feature.ConfiguredFeature;
import net.minecraft.world.level.levelgen.feature.Feature;
import net.minecraft.world.level.levelgen.feature.configurations.FeatureConfiguration;
import net.minecraft.world.level.levelgen.feature.configurations.OreConfiguration;
import net.minecraft.world.level.levelgen.placement.*;
import net.minecraft.world.level.levelgen.structure.templatesystem.RuleTest;
import net.minecraft.world.level.levelgen.structure.templatesystem.TagMatchTest;
import net.minecraftforge.common.Tags;
import net.minecraftforge.event.world.BiomeLoadingEvent;
import net.minecraftforge.eventbus.api.EventPriority;
import net.minecraftforge.eventbus.api.SubscribeEvent;
import net.minecraftforge.fml.common.Mod;

@Mod.EventBusSubscriber(modid = MyMod.MODID, bus= Mod.EventBusSubscriber.Bus.FORGE)
public class OreGen {

    public static final int OVERWORLD_VEINSIZE = 5;
    public static final int OVERWORLD_AMOUNT = 3;
    public static final int DEEPSLATE_VEINSIZE = 5;
    public static final int DEEPSLATE_AMOUNT = 3;
    public static final int NETHER_VEINSIZE = 5;
    public static final int NETHER_AMOUNT = 3;
    public static final int END_VEINSIZE = 10;
    public static final int END_AMOUNT = 6;

    public static RuleTest IN_ENDSTONE = new TagMatchTest(Tags.Blocks.END_STONES);

    public static PlacedFeature OVERWORLD_OREGEN;
    public static PlacedFeature DEEPSLATE_OREGEN;
    public static PlacedFeature NETHER_OREGEN;
    public static PlacedFeature END_OREGEN;


    public static void registerConfiguredFeatures()
    {
        OreConfiguration overworldConfig = new OreConfiguration(OreFeatures.STONE_ORE_REPLACEABLES, MyMod.RegistryEvents.UraniumOre.defaultBlockState(), OVERWORLD_VEINSIZE);
        OVERWORLD_OREGEN = registerPlacedFeature("uranium_ore", Feature.ORE.configured(overworldConfig),
                CountPlacement.of(OVERWORLD_AMOUNT),
                InSquarePlacement.spread(),
                BiomeFilter.biome(),
                HeightRangePlacement.uniform(VerticalAnchor.absolute(0), VerticalAnchor.absolute(265)));

        OreConfiguration deepslateConfig = new OreConfiguration(OreFeatures.DEEPSLATE_ORE_REPLACEABLES, MyMod.RegistryEvents.UraniumOre.defaultBlockState(), OVERWORLD_VEINSIZE);
        OVERWORLD_OREGEN = registerPlacedFeature("uranium_ore", Feature.ORE.configured(overworldConfig),
                CountPlacement.of(DEEPSLATE_AMOUNT),
                InSquarePlacement.spread(),
                BiomeFilter.biome(),
                HeightRangePlacement.uniform(VerticalAnchor.bottom(), VerticalAnchor.aboveBottom(64)));

        OreConfiguration netherConfig = new OreConfiguration(OreFeatures.NETHER_ORE_REPLACEABLES, MyMod.RegistryEvents.UraniumOre.defaultBlockState(), OVERWORLD_VEINSIZE);
        NETHER_OREGEN = registerPlacedFeature("uranium_ore", Feature.ORE.configured(overworldConfig),
                CountPlacement.of(NETHER_AMOUNT),
                InSquarePlacement.spread(),
                BiomeFilter.biome(),
                HeightRangePlacement.uniform(VerticalAnchor.absolute(0), VerticalAnchor.absolute(265)));

        OreConfiguration endConfig = new OreConfiguration(IN_ENDSTONE, MyMod.RegistryEvents.UraniumOre.defaultBlockState(), OVERWORLD_VEINSIZE);
        END_OREGEN = registerPlacedFeature("uranium_ore", Feature.ORE.configured(overworldConfig),
                CountPlacement.of(END_AMOUNT),
                InSquarePlacement.spread(),
                BiomeFilter.biome(),
                HeightRangePlacement.uniform(VerticalAnchor.absolute(0), VerticalAnchor.absolute(265)));
    }

    private static <C extends FeatureConfiguration, F extends Feature<C>> PlacedFeature registerPlacedFeature(String registeryName, ConfiguredFeature<C, F> feature, PlacementModifier ... placementModifiers)
    {
        PlacedFeature placed = BuiltinRegistries.register(BuiltinRegistries.CONFIGURED_FEATURE, new ResourceLocation(registeryName), feature).placed(placementModifiers);
        return PlacementUtils.register(registeryName, placed);
    }

    @SubscribeEvent(priority = EventPriority.HIGH)
    public static void biomeLoading(final BiomeLoadingEvent event) {

        if (event.getCategory() == Biome.BiomeCategory.THEEND) {
            event.getGeneration().addFeature(GenerationStep.Decoration.UNDERGROUND_ORES, END_OREGEN);
        }
        else if (event.getCategory() == Biome.BiomeCategory.NETHER) {
            event.getGeneration().addFeature(GenerationStep.Decoration.UNDERGROUND_ORES, NETHER_OREGEN);
        }
        else  {
            event.getGeneration().addFeature(GenerationStep.Decoration.UNDERGROUND_ORES, OVERWORLD_OREGEN);
            event.getGeneration().addFeature(GenerationStep.Decoration.UNDERGROUND_ORES, DEEPSLATE_OREGEN);
        }
    }
}

my "main" class:

package com.mymod;

import com.mymod.world.gen.OreGen;
import net.minecraft.resources.ResourceLocation;
import net.minecraft.world.item.BlockItem;
import net.minecraft.world.item.CreativeModeTab;
import net.minecraft.world.item.Item;
import net.minecraft.world.item.Rarity;
import net.minecraft.world.level.block.Block;
import net.minecraft.world.level.block.Blocks;
import net.minecraft.world.level.block.OreBlock;
import net.minecraft.world.level.block.SoundType;
import net.minecraft.world.level.block.state.BlockBehaviour;
import net.minecraft.world.level.material.Material;
import net.minecraftforge.common.MinecraftForge;
import net.minecraftforge.event.RegistryEvent;
import net.minecraftforge.event.server.ServerStartingEvent;
import net.minecraftforge.eventbus.api.SubscribeEvent;
import net.minecraftforge.fml.InterModComms;
import net.minecraftforge.fml.common.Mod;
import net.minecraftforge.fml.event.lifecycle.FMLCommonSetupEvent;
import net.minecraftforge.fml.event.lifecycle.InterModEnqueueEvent;
import net.minecraftforge.fml.event.lifecycle.InterModProcessEvent;
import net.minecraftforge.fml.javafmlmod.FMLJavaModLoadingContext;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

import java.util.stream.Collectors;

// The value here should match an entry in the META-INF/mods.toml file
@Mod(MyMod.MODID)
public class MyMod
{
    public static final String MODID = "mymod";

        // Directly reference a log4j logger.
    private static final Logger LOGGER = LogManager.getLogger();

    public MyMod() {

        // Register the setup method for modloading
        FMLJavaModLoadingContext.get().getModEventBus().addListener(this::setup);
        // Register the enqueueIMC method for modloading
        FMLJavaModLoadingContext.get().getModEventBus().addListener(this::enqueueIMC);
        // Register the processIMC method for modloading
        FMLJavaModLoadingContext.get().getModEventBus().addListener(this::processIMC);

        // Register ourselves for server and other game events we are interested in
        MinecraftForge.EVENT_BUS.register(this);
    }

    private void setup(final FMLCommonSetupEvent event)
    {
        // some preinit code
        LOGGER.info("HELLO FROM PREINIT");
        LOGGER.info("DIRT BLOCK >> {}", Blocks.DIRT.getRegistryName());

        event.enqueueWork(OreGen::registerConfiguredFeatures);
    }

    private void enqueueIMC(final InterModEnqueueEvent event)
    {
        // some example code to dispatch IMC to another mod
        InterModComms.sendTo("MyMod", "helloworld", () -> { LOGGER.info("Hello world from the MDK"); return "Hello world";});
    }

    private void processIMC(final InterModProcessEvent event)
    {
        // some example code to receive and process InterModComms from other mods
        LOGGER.info("Got IMC {}", event.getIMCStream().
                map(m->m.messageSupplier().get()).
                collect(Collectors.toList()));
    }
    // You can use SubscribeEvent and let the Event Bus discover methods to call
    @SubscribeEvent
    public void onServerStarting(ServerStartingEvent event) {
        // do something when the server starts
        LOGGER.info("HELLO from server starting");
    }

    // You can use EventBusSubscriber to automatically subscribe events on the contained class (this is subscribing to the MOD
    // Event bus for receiving Registry Events)
    @Mod.EventBusSubscriber(bus=Mod.EventBusSubscriber.Bus.MOD)
    public static class RegistryEvents {

        public static final Block MyBlock = new Block(BlockBehaviour.Properties.of(Material.STONE).friction(0.5f)).setRegistryName(MODID, "myblock");
        public static final Block UraniumBlock = new Block(BlockBehaviour.Properties.of(Material.METAL).noOcclusion().strength(2).sound(SoundType.AMETHYST).lightLevel(value -> 20).requiresCorrectToolForDrops()).setRegistryName(MODID, "uraniumblock");
        public static final Block UraniumOre = new OreBlock(BlockBehaviour.Properties.of(Material.METAL).strength(2.2f).sound(SoundType.METAL).lightLevel(value -> 5).requiresCorrectToolForDrops()).setRegistryName("uranium_ore");

        public static final Item UraniumShards = new Item(new Item.Properties().stacksTo(64).tab(CreativeModeTab.TAB_MATERIALS).rarity(Rarity.RARE)).setRegistryName(MODID, "uranium_shard");
        public static final Item RawUranium = new Item((new Item.Properties().rarity(Rarity.RARE).tab(CreativeModeTab.TAB_MATERIALS).stacksTo(68))).setRegistryName(MODID, "raw_uranium");

        @SubscribeEvent
            public static void RegisterBlocks(final RegistryEvent.Register<Block> event) {
            // register a new block here
            event.getRegistry().register(MyBlock);
            event.getRegistry().register(UraniumBlock);
            event.getRegistry().register(UraniumOre);

            LOGGER.info("HELLO from Register Block");
        }

        @SubscribeEvent
        public static void  RegisterItemBlocks(final RegistryEvent.Register<Item> event) {
            event.getRegistry().register(new BlockItem(RegistryEvents.MyBlock, new Item.Properties().stacksTo(2).tab(CreativeModeTab.TAB_BUILDING_BLOCKS)).setRegistryName(MyBlock.getRegistryName()));
            event.getRegistry().register(new BlockItem(RegistryEvents.UraniumBlock, new Item.Properties().tab(CreativeModeTab.TAB_MATERIALS).rarity(Rarity.EPIC).stacksTo(64)).setRegistryName(UraniumBlock.getRegistryName()));
            event.getRegistry().register(new BlockItem(RegistryEvents.UraniumOre, new Item.Properties().tab(CreativeModeTab.TAB_MATERIALS).stacksTo(64).rarity(Rarity.UNCOMMON)).setRegistryName(UraniumOre.getRegistryName()));

            event.getRegistry().register(UraniumShards);
            event.getRegistry().register(RawUranium);
        }

    }
}

i was following this tutorial : 

 

Edited by EnderPoint
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package com.mymod;

import net.minecraft.world.item.BlockItem;
import net.minecraft.world.item.CreativeModeTab;
import net.minecraft.world.item.Item;
import net.minecraft.world.item.Rarity;
import net.minecraft.world.level.block.Block;
import net.minecraft.world.level.block.SoundType;
import net.minecraft.world.level.block.state.BlockBehaviour;
import net.minecraft.world.level.material.Material;
import net.minecraftforge.eventbus.api.IEventBus;
import net.minecraftforge.fml.javafmlmod.FMLJavaModLoadingContext;
import net.minecraftforge.registries.DeferredRegister;
import net.minecraftforge.registries.ForgeRegistries;
import net.minecraftforge.registries.RegistryObject;

public class Registration {
    public static final DeferredRegister<Block> BLOCKS = DeferredRegister.create(ForgeRegistries.BLOCKS, MyMod.MODID);
    public static final DeferredRegister<Item> ITEMS = DeferredRegister.create(ForgeRegistries.ITEMS, MyMod.MODID);

    public static void init()
    {
        IEventBus bus = FMLJavaModLoadingContext.get().getModEventBus();
        BLOCKS.register(bus);
        ITEMS.register(bus);
    }

    public static final RegistryObject<Block> UraniumBlock = BLOCKS.register("uraniumblock", () -> new Block(BlockBehaviour.Properties.of(Material.METAL).noOcclusion().strength(2).sound(SoundType.AMETHYST).lightLevel(value -> 20).requiresCorrectToolForDrops()));
    public static final RegistryObject<Item> UraniumBlock_Item = fromBlock(UraniumBlock, new Item.Properties().tab(CreativeModeTab.TAB_MATERIALS).rarity(Rarity.EPIC).stacksTo(64));


    public static <B extends Block> RegistryObject<Item> fromBlock(RegistryObject<B> block, Item.Properties properties)
    {
        return ITEMS.register(block.getId().getPath(), () -> new BlockItem(block.get(), properties));
    }
}

is this how you ment i should be registering blocks and items and itemblocks?

 

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package com.mymod;

import net.minecraft.world.item.BlockItem;
import net.minecraft.world.item.CreativeModeTab;
import net.minecraft.world.item.Item;
import net.minecraft.world.item.Rarity;
import net.minecraft.world.level.block.Block;
import net.minecraft.world.level.block.SoundType;
import net.minecraft.world.level.block.state.BlockBehaviour;
import net.minecraft.world.level.material.Material;
import net.minecraftforge.eventbus.api.IEventBus;
import net.minecraftforge.fml.javafmlmod.FMLJavaModLoadingContext;
import net.minecraftforge.registries.DeferredRegister;
import net.minecraftforge.registries.ForgeRegistries;
import net.minecraftforge.registries.RegistryObject;

public class Registration {
    public static final DeferredRegister<Block> BLOCKS = DeferredRegister.create(ForgeRegistries.BLOCKS, MyMod.MODID);
    public static final DeferredRegister<Item> ITEMS = DeferredRegister.create(ForgeRegistries.ITEMS, MyMod.MODID);

    public static void init()
    {
        IEventBus bus = FMLJavaModLoadingContext.get().getModEventBus();
        BLOCKS.register(bus);
        ITEMS.register(bus);
    }

    public static final RegistryObject<Block> UraniumBlock = BLOCKS.register("uraniumblock", () -> new Block(BlockBehaviour.Properties.of(Material.METAL).noOcclusion().strength(2).sound(SoundType.AMETHYST).lightLevel(value -> 20).requiresCorrectToolForDrops()));
    public static final RegistryObject<Item> UraniumBlock_Item = fromBlock(UraniumBlock, new Item.Properties().tab(CreativeModeTab.TAB_MATERIALS).rarity(Rarity.EPIC).stacksTo(64));


    public static <B extends Block> RegistryObject<Item> fromBlock(RegistryObject<B> block, Item.Properties properties)
    {
        return ITEMS.register(block.getId().getPath(), () -> new BlockItem(block.get(), properties));
    }
}

this is not working. am i missing something here?

 

 

Edited by EnderPoint
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  • EnderPoint changed the title to [Solved] Why does this crash?

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