Posted April 30, 20223 yr my ice and fire has an error while loading : java.lang.NoClassDefFoundError: net/minecraft/item/ItemGroup Spoiler ---- Minecraft Crash Report ---- // Surprise! Haha. Well, this is awkward. Time: 2022-04-30 14:12 Description: Mod loading error has occurred java.lang.Exception: Mod Loading has failed at net.minecraftforge.logging.CrashReportExtender.dumpModLoadingCrashReport(CrashReportExtender.java:55) ~[forge-1.18.2-40.1.0-universal.jar%2360!/:?] {re:classloading} at net.minecraftforge.client.loading.ClientModLoader.completeModLoading(ClientModLoader.java:169) ~[forge-1.18.2-40.1.0-universal.jar%2360!/:?] {re:classloading,pl:runtimedistcleaner:A} at net.minecraft.client.Minecraft.lambda$new$1(Minecraft.java:555) ~[client-1.18.2-20220404.173914-srg.jar%2356!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A} at net.minecraft.Util.m_137521_(Util.java:556) ~[client-1.18.2-20220404.173914-srg.jar%2356!/:?] {re:classloading,xf:OptiFine:default} at net.minecraft.client.Minecraft.lambda$new$2(Minecraft.java:549) ~[client-1.18.2-20220404.173914-srg.jar%2356!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A} at net.minecraft.client.gui.screens.LoadingOverlay.m_6305_(LoadingOverlay.java:196) ~[client-1.18.2-20220404.173914-srg.jar%2356!/:?] {re:classloading,xf:OptiFine:default} at net.minecraft.client.renderer.GameRenderer.m_109093_(GameRenderer.java:1256) ~[client-1.18.2-20220404.173914-srg.jar%2356!/:?] {re:classloading,pl:accesstransformer:B,xf:OptiFine:default} at net.minecraft.client.Minecraft.m_91383_(Minecraft.java:1044) ~[client-1.18.2-20220404.173914-srg.jar%2356!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A} at net.minecraft.client.Minecraft.m_91374_(Minecraft.java:663) ~[client-1.18.2-20220404.173914-srg.jar%2356!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A} at net.minecraft.client.main.Main.main(Main.java:205) ~[client-1.18.2-20220404.173914-srg.jar%2356!/:?] {re:classloading,pl:runtimedistcleaner:A} at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] {} at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?] {} at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] {} at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?] {} at net.minecraftforge.fml.loading.targets.CommonClientLaunchHandler.lambda$launchService$0(CommonClientLaunchHandler.java:31) ~[fmlloader-1.18.2-40.1.0.jar%2316!/:?] {} at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-9.1.3.jar%235!/:?] {} at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:53) [modlauncher-9.1.3.jar%235!/:?] {} at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:71) [modlauncher-9.1.3.jar%235!/:?] {} at cpw.mods.modlauncher.Launcher.run(Launcher.java:106) [modlauncher-9.1.3.jar%235!/:?] {} at cpw.mods.modlauncher.Launcher.main(Launcher.java:77) [modlauncher-9.1.3.jar%235!/:?] {} at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26) [modlauncher-9.1.3.jar%235!/:?] {} at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23) [modlauncher-9.1.3.jar%235!/:?] {} at cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:149) [bootstraplauncher-1.0.0.jar:?] {} A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Thread: Render thread Stacktrace: at jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641) ~[?:?] {} -- MOD iceandfire -- Details: Caused by 0: java.lang.NoClassDefFoundError: net/minecraft/item/ItemGroup at java.lang.Class.getDeclaredConstructors0(Native Method) ~[?:?] {} at java.lang.Class.privateGetDeclaredConstructors(Class.java:3373) ~[?:?] {} at java.lang.Class.getConstructor0(Class.java:3578) ~[?:?] {} at java.lang.Class.getDeclaredConstructor(Class.java:2754) ~[?:?] {} at net.minecraftforge.fml.javafmlmod.FMLModContainer.constructMod(FMLModContainer.java:67) ~[javafmllanguage-1.18.2-40.1.0.jar%2358!/:?] {} at net.minecraftforge.fml.ModContainer.lambda$buildTransitionHandler$4(ModContainer.java:106) ~[fmlcore-1.18.2-40.1.0.jar%2357!/:?] {} at java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1804) ~[?:?] {} at java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1796) ~[?:?] {} at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:373) ~[?:?] {} at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182) ~[?:?] {} at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655) ~[?:?] {re:computing_frames} at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622) ~[?:?] {re:computing_frames} at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165) ~[?:?] {} Mod File: iceandfire-2.1.9-1.16.5.jar Failure message: Ice and Fire (iceandfire) has failed to load correctly java.lang.NoClassDefFoundError: net/minecraft/item/ItemGroup Mod Version: 2.1.9-1.16.5 Mod Issue URL: https://github.com/Alex-the-666/ice-and-fire/issues Exception message: java.lang.ClassNotFoundException: net.minecraft.item.ItemGroup Stacktrace: at jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641) ~[?:?] {} at java.lang.ClassLoader.loadClass(ClassLoader.java:520) ~[?:?] {} at cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:134) ~[securejarhandler-1.0.3.jar:?] {} at java.lang.ClassLoader.loadClass(ClassLoader.java:520) ~[?:?] {} at cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:134) ~[securejarhandler-1.0.3.jar:?] {} at java.lang.ClassLoader.loadClass(ClassLoader.java:520) ~[?:?] {} at java.lang.Class.getDeclaredConstructors0(Native Method) ~[?:?] {} at java.lang.Class.privateGetDeclaredConstructors(Class.java:3373) ~[?:?] {} at java.lang.Class.getConstructor0(Class.java:3578) ~[?:?] {} at java.lang.Class.getDeclaredConstructor(Class.java:2754) ~[?:?] {} at net.minecraftforge.fml.javafmlmod.FMLModContainer.constructMod(FMLModContainer.java:67) ~[javafmllanguage-1.18.2-40.1.0.jar%2358!/:?] {} at net.minecraftforge.fml.ModContainer.lambda$buildTransitionHandler$4(ModContainer.java:106) ~[fmlcore-1.18.2-40.1.0.jar%2357!/:?] {} at java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1804) ~[?:?] {} at java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1796) ~[?:?] {} at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:373) ~[?:?] {} at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182) ~[?:?] {} at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655) ~[?:?] {re:computing_frames} at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622) ~[?:?] {re:computing_frames} at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165) ~[?:?] {} -- System Details -- Details: Minecraft Version: 1.18.2 Minecraft Version ID: 1.18.2 Operating System: Mac OS X (x86_64) version 11.2.3 Java Version: 17.0.1, Microsoft Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Microsoft Memory: 659007224 bytes (628 MiB) / 1174405120 bytes (1120 MiB) up to 2147483648 bytes (2048 MiB) CPUs: 8 Processor Vendor: Apple Inc. Processor Name: Apple M1 Identifier: Apple Inc. Family 0x1b588bb3 Model 0 Stepping 0 Microarchitecture: ARM64 SoC: Firestorm + Icestorm Frequency (GHz): 24,00 Number of physical packages: 1 Number of physical CPUs: 8 Number of logical CPUs: 8 Graphics card #0 name: Apple M1 Graphics card #0 vendor: Apple (0x106b) Graphics card #0 VRAM (MB): 0,00 Graphics card #0 deviceId: unknown Graphics card #0 versionInfo: unknown Memory slot #0 capacity (MB): 0,00 Memory slot #0 clockSpeed (GHz): 0,00 Memory slot #0 type: unknown Virtual memory max (MB): 13312,00 Virtual memory used (MB): 9677,64 Swap memory total (MB): 5120,00 Swap memory used (MB): 4040,75 JVM Flags: 8 total; -Xss1M -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M OptiFine Version: OptiFine_1.18.2_HD_U_H6 OptiFine Build: 20220313-160847 Render Distance Chunks: 12 Mipmaps: 4 Anisotropic Filtering: 1 Antialiasing: 0 Multitexture: false Shaders: null OpenGlVersion: 4.1 Metal - 71.0.7 OpenGlRenderer: Apple M1 OpenGlVendor: Apple CpuCount: 8 ModLauncher: 9.1.3+9.1.3+main.9b69c82a ModLauncher launch target: forgeclient ModLauncher naming: srg ModLauncher services: mixin PLUGINSERVICE eventbus PLUGINSERVICE slf4jfixer PLUGINSERVICE object_holder_definalize PLUGINSERVICE runtime_enum_extender PLUGINSERVICE capability_token_subclass PLUGINSERVICE accesstransformer PLUGINSERVICE runtimedistcleaner PLUGINSERVICE mixin TRANSFORMATIONSERVICE OptiFine TRANSFORMATIONSERVICE fml TRANSFORMATIONSERVICE FML Language Providers: [email protected] javafml@null Mod List: client-1.18.2-20220404.173914-srg.jar |Minecraft |minecraft |1.18.2 |COMMON_SET|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-1.18.2-40.1.0-universal.jar |Forge |forge |40.1.0 |COMMON_SET|Manifest: 84:ce:76:e8:45:35:e4:0e:63:86:df:47:59:80:0f:67:6c:c1:5f:6e:5f:4d:b3:54:47:1a:9f:7f:ed:5e:f2:90 citadel-1.11.2-1.18.2.jar |Citadel |citadel |1.11.2 |COMMON_SET|Manifest: NOSIGNATURE iceandfire-2.1.9-1.16.5.jar |Ice and Fire |iceandfire |2.1.9-1.16.5 |ERROR |Manifest: NOSIGNATURE Crash Report UUID: 3f38d718-bf06-4f2e-b8ce-0e9e34519b93 FML: 40.1 Forge: net.minecraftforge:40.1.0 I really wanna play with this mod can somone help me fix it... i did download citadel just like it told me
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