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Pixelmon keeps crashing every time i open it. I am on a macbook air. Here is the crash script.     ---- Minecraft Crash Report ---- // On the bright side, I bought you a teddy bear! Time: 7/7/20 4:35 PM Description: There was a severe problem during mod loading that has caused the game to fail net.minecraftforge.fml.common.LoaderExceptionModCrash: Caught exception from Pixelmon (pixelmon) Caused by: java.lang.NoClassDefFoundError: net/minecraftforge/event/world/BlockEvent$EntityPlaceEvent     at java.lang.Class.getDeclaredMethods0(Native Method)     at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)     at java.lang.Class.privateGetPublicMethods(Class.java:2902)     at java.lang.Class.getMethods(Class.java:1615)     at net.minecraftforge.fml.common.eventhandler.EventBus.register(EventBus.java:82)     at com.pixelmonmod.pixelmon.quests.QuestRegistry.registerClasses(QuestRegistry.java:238)     at com.pixelmonmod.pixelmon.quests.QuestRegistry.registerQuests(QuestRegistry.java:113)     at com.pixelmonmod.pixelmon.CommonProxy.init(CommonProxy.java:115)     at com.pixelmonmod.pixelmon.client.ClientProxy.init(ClientProxy.java:166)     at com.pixelmonmod.pixelmon.Pixelmon.init(Pixelmon.java:177)     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)     at java.lang.reflect.Method.invoke(Method.java:498)     at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:624)     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)     at java.lang.reflect.Method.invoke(Method.java:498)     at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91)     at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150)     at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76)     at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399)     at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71)     at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116)     at com.google.common.eventbus.EventBus.post(EventBus.java:217)     at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:218)     at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:196)     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)     at java.lang.reflect.Method.invoke(Method.java:498)     at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91)     at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150)     at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76)     at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399)     at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71)     at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116)     at com.google.common.eventbus.EventBus.post(EventBus.java:217)     at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:135)     at net.minecraftforge.fml.common.Loader.initializeMods(Loader.java:744)     at net.minecraftforge.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:336)     at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:534)     at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:377)     at net.minecraft.client.main.Main.main(SourceFile:123)     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)     at java.lang.reflect.Method.invoke(Method.java:498)     at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)     at net.minecraft.launchwrapper.Launch.main(Launch.java:28) Caused by: java.lang.ClassNotFoundException: net.minecraftforge.event.world.BlockEvent$EntityPlaceEvent     at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)     at java.lang.ClassLoader.loadClass(ClassLoader.java:424)     at java.lang.ClassLoader.loadClass(ClassLoader.java:357)     ... 51 more Caused by: java.lang.NullPointerException     at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)     ... 53 more A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- System Details -- Details:     Minecraft Version: 1.12.2     Operating System: Mac OS X (x86_64) version 10.15.5     Java Version: 1.8.0_74, Oracle Corporation     Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation     Memory: 734906520 bytes (700 MB) / 1140850688 bytes (1088 MB) up to 2147483648 bytes (2048 MB)     JVM Flags: 7 total; -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M     IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0     FML: MCP 9.42 Powered by Forge 14.23.5.2768 5 mods loaded, 5 mods active     States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored     | State | ID        | Version      | Source                              | Signature                                |     |:----- |:--------- |:------------ |:----------------------------------- |:---------------------------------------- |     | UCHI  | minecraft | 1.12.2       | minecraft.jar                       | None                                     |     | UCHI  | mcp       | 9.42         | minecraft.jar                       | None                                     |     | UCHI  | FML       | 8.0.99.99    | forge-1.12.2-14.23.5.2768.jar       | e3c3d50c7c986df74c645c0ac54639741c90a557 |     | UCHI  | forge     | 14.23.5.2768 | forge-1.12.2-14.23.5.2768.jar       | e3c3d50c7c986df74c645c0ac54639741c90a557 |     | UCHEE | pixelmon  | 8.0.2        | Pixelmon-1.12.2-8.0.2-universal.jar | None                                     |     Loaded coremods (and transformers):      GL info: ' Vendor: 'Intel Inc.' Version: '2.1 INTEL-14.6.18' Renderer: 'Intel(R) HD Graphics 6000'

I wrote it like this: Feature.java WalnutTree.java If it is correct?

Hello, I've followed TGG's guideline here (basically about IBakedModel), and I'm really confused.  ItemCameraTransforms is deprecated and the doc indicates to TransformationMatrix and use it through handlePerspective(ItemCameraTransforms.TransformType cameraTransformType, MatrixStack mat)   If all I want to do is simply translate and rotate the existing model: Do I still need to override getItemCameraTransforms() in my model, or  handlePerspective(TransformType cameraTransformType, MatrixStack mat) is enough? w

After I had started updating my mod, I launched the game and when I attempted to load into the world, it crashed.   Please! Help!   Crash Report: ---- Minecraft Crash Report ---- // Daisy, daisy... Time: 7/6/20 10:57 PM Description: Ticking memory connection java.lang.RuntimeException: Why did the advancements not load yet?!     at net.minecraftforge.common.AdvancementLoadFix.loadVisibility(AdvancementLoadFix.java:51) ~[?:?] {re:classloading}     at net.minecraft.advancements.PlayerAdvancements.func_192740_f(PlayerAdvancements.java:157) ~[?:?] {re:classloading}     at net.minecraft.advancements.PlayerAdvancements.<init>(PlayerAdvancements.java:65) ~[?:?] {re:classloading}     at net.minecraft.server.management.PlayerList.func_192054_h(PlayerList.java:749) ~[?:?] {re:classloading}     at net.minecraft.entity.player.ServerPlayerEntity.<init>(ServerPlayerEntity.java:164) ~[?:?] {re:classloading,pl:accesstransformer:B}     at net.minecraft.server.management.PlayerList.func_148545_a(PlayerList.java:382) ~[?:?] {re:classloading}     at net.minecraft.network.login.ServerLoginNetHandler.func_147326_c(ServerLoginNetHandler.java:116) ~[?:?] {re:classloading}     at net.minecraft.network.login.ServerLoginNetHandler.func_73660_a(ServerLoginNetHandler.java:63) ~[?:?] {re:classloading}     at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:224) ~[?:?] {re:classloading}     at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:135) ~[?:?] {re:classloading}     at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:866) ~[?:?] {re:classloading,pl:accesstransformer:B}     at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:784) ~[?:?] {re:classloading,pl:accesstransformer:B}     at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:163) ~[?:?] {re:classloading,xf:OptiFine:default}     at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:637) [?:?] {re:classloading,pl:accesstransformer:B}     at java.lang.Thread.run(Thread.java:745) [?:1.8.0_51] {} A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Thread: Server thread Stacktrace:     at net.minecraftforge.common.AdvancementLoadFix.loadVisibility(AdvancementLoadFix.java:51)     at net.minecraft.advancements.PlayerAdvancements.func_192740_f(PlayerAdvancements.java:157)     at net.minecraft.advancements.PlayerAdvancements.<init>(PlayerAdvancements.java:65)     at net.minecraft.server.management.PlayerList.func_192054_h(PlayerList.java:749)     at net.minecraft.entity.player.ServerPlayerEntity.<init>(ServerPlayerEntity.java:164)     at net.minecraft.server.management.PlayerList.func_148545_a(PlayerList.java:382)     at net.minecraft.network.login.ServerLoginNetHandler.func_147326_c(ServerLoginNetHandler.java:116)     at net.minecraft.network.login.ServerLoginNetHandler.func_73660_a(ServerLoginNetHandler.java:63)     at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:224) -- Ticking connection -- Details:     Connection: net.minecraft.network.NetworkManager@635255f7 Stacktrace:     at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:135)     at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:866)     at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:784)     at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:163)     at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:637)     at java.lang.Thread.run(Thread.java:745) -- System Details -- Details:     Minecraft Version: 1.15.2     Minecraft Version ID: 1.15.2     Operating System: Windows 10 (amd64) version 10.0     Java Version: 1.8.0_51, Oracle Corporation     Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation     Memory: 3257903552 bytes (3106 MB) / 4294967296 bytes (4096 MB) up to 4294967296 bytes (4096 MB)     CPUs: 2     JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx4G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M     ModLauncher: 5.1.0+69+master.79f13f7     ModLauncher launch target: fmlclient     ModLauncher naming: srg     ModLauncher services:          /eventbus-2.2.0-service.jar eventbus PLUGINSERVICE          /forge-1.15.2-31.2.0.jar object_holder_definalize PLUGINSERVICE          /forge-1.15.2-31.2.0.jar runtime_enum_extender PLUGINSERVICE          /accesstransformers-2.1.1-shadowed.jar accesstransformer PLUGINSERVICE          /forge-1.15.2-31.2.0.jar capability_inject_definalize PLUGINSERVICE          /forge-1.15.2-31.2.0.jar runtimedistcleaner PLUGINSERVICE          /OptiFine_1.15.2_HD_U_G1.jar OptiFine TRANSFORMATIONSERVICE          /forge-1.15.2-31.2.0.jar fml TRANSFORMATIONSERVICE      FML: 31.2     Forge: net.minecraftforge:31.2.0     FML Language Providers:          javafml@31.2         minecraft@1     Mod List:          forge-1.15.2-31.2.0-client.jar Minecraft {minecraft@1.15.2 DONE}         forge-1.15.2-31.2.0-universal.jar Forge {forge@31.2.0 DONE}         jei-1.15.2-6.0.2.12.jar Just Enough Items {jei@6.0.2.12 DONE}         AC EA 000133.jar Ancient Creatures {ancientcreatures@1.15.2 - EA 000090 DONE}     Player Count: 0 / 8; []     Data Packs: mod:jei (incompatible), mod:ancientcreatures, vanilla, mod:forge (incompatible)     Type: Integrated Server (map_client.txt)     Is Modded: Definitely; Client brand changed to 'forge'     OptiFine Version: OptiFine_1.15.2_HD_U_G1_pre30     OptiFine Build: 20200622-083032     Render Distance Chunks: 6     Mipmaps: 4     Anisotropic Filtering: 1     Antialiasing: 0     Multitexture: false     Shaders: null     OpenGlVersion: 3.1.0 - Build 9.17.10.4459     OpenGlRenderer: Intel(R) HD Graphics     OpenGlVendor: Intel     CpuCount: 2

Error code:   Java HotSpot(TM) 64-Bit Server VM warning: ignoring option PermSize=256m; support was removed in 8.0 2020-07-06 21:38:35,957 main WARN Advanced terminal features are not available in this environment [32m[21:38:36] [main/INFO] [cp.mo.mo.Launcher/MODLAUNCHER]: ModLauncher running: args [--username, Forever_ftx, --version, forge-31.2.30, --gameDir, /Users/andysun/Twitch/Minecraft/Instances/Valhelsia 2, --assetsDir, /Users/andysun/Twitch/Minecraft/Install/assets, --assetIndex, 1.15, --uuid, 3c099e26aa4f4ff2923208fc5c96e808, --accessToken, ❄❄❄❄❄❄❄❄, --userType, mojang, --versionType, release, --width, 1024, --height, 768, --launchTarget, fmlclient, --fml.forgeVersion, 31.2.30, --fml.mcVersion, 1.15.2, --fml.forgeGroup, net.minecraftforge, --fml.mcpVersion, 20200515.085601] [m[32m[21:38:36] [main/INFO] [cp.mo.mo.Launcher/MODLAUNCHER]: ModLauncher 5.1.0+69+master.79f13f7 starting: java version 1.8.0_251 by Oracle Corporation [m[32m[21:38:36] [main/INFO] [ne.mi.fm.lo.FixSSL/CORE]: Added Lets Encrypt root certificates as additional trust [m[1;31m[21:38:36] [main/FATAL] [ne.mi.fm.lo.FMLCommonLaunchHandler/CORE]: Failed to find Minecraft resource version 1.15.2-20200515.085601 at /Users/andysun/Twitch/Minecraft/Install/libraries/net/minecraftforge/forge/1.15.2-31.2.30/forge-1.15.2-31.2.30-client.jar [mException in thread "main" [32m[21:38:36] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1052]: java.lang.RuntimeException: Missing minecraft resource! [m[32m[21:38:36] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1052]:     at net.minecraftforge.fml.loading.FMLCommonLaunchHandler.lambda$validatePaths$4(FMLCommonLaunchHandler.java:124) [m[32m[21:38:36] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1052]:     at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) [m[32m[21:38:36] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1052]:     at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) [m[32m[21:38:36] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1052]:     at net.minecraftforge.fml.loading.FMLCommonLaunchHandler.validatePaths(FMLCommonLaunchHandler.java:121) [m[32m[21:38:36] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1052]:     at net.minecraftforge.fml.loading.FMLLoader.setupLaunchHandler(FMLLoader.java:199) [m[32m[21:38:36] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1052]:     at net.minecraftforge.fml.loading.FMLServiceProvider.initialize(FMLServiceProvider.java:94) [m[32m[21:38:36] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1052]:     at cpw.mods.modlauncher.TransformationServiceDecorator.onInitialize(TransformationServiceDecorator.java:68) [m[32m[21:38:36] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1052]:     at cpw.mods.modlauncher.TransformationServicesHandler.lambda$initialiseTransformationServices$7(TransformationServicesHandler.java:107) [m[32m[21:38:36] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1052]:     at java.util.HashMap$Values.forEach(HashMap.java:981) [m[32m[21:38:36] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1052]:     at cpw.mods.modlauncher.TransformationServicesHandler.initialiseTransformationServices(TransformationServicesHandler.java:107) [m[32m[21:38:36] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1052]:     at cpw.mods.modlauncher.TransformationServicesHandler.initializeTransformationServices(TransformationServicesHandler.java:59) [m[32m[21:38:36] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1052]:     at cpw.mods.modlauncher.Launcher.run(Launcher.java:75) [m[32m[21:38:36] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1052]:     at cpw.mods.modlauncher.Launcher.main(Launcher.java:65) [m