I just downloaded minecraft forge 1.12.2 to play the aether mod with some friends on a server, however, whenever forge finishes launching, it crashes. here is the error it shows in the minecraft launcher:
java.lang.NoClassDefFoundError: net/minecraft/client/renderer/entity/layers/LayerDeadmau5Head
here is the full crash report:
---- Minecraft Crash Report ----
WARNING: coremods are present:
FMLLoadingPlugin (Keystrokes-8.0.2 (1.8.9).jar)
Contact their authors BEFORE contacting forge
// Don't do that.
Time: 8/27/20 7:21 PM
Description: Initializing game
java.lang.NoClassDefFoundError: net/minecraft/client/renderer/entity/layers/LayerDeadmau5Head
at net.minecraft.client.renderer.entity.RenderPlayer.<init>(RenderPlayer.java:45)
at net.minecraft.client.renderer.entity.RenderPlayer.<init>(RenderPlayer.java:35)
at net.minecraft.client.renderer.entity.RenderManager.<init>(RenderManager.java:227)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:518)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:378)
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:497)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
Caused by: java.lang.ClassNotFoundException: net.minecraft.client.renderer.entity.layers.LayerDeadmau5Head
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)
... 12 more
Caused by: net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerException: Exception in class transformer club.sk1er.mods.core.forge.ClassTransformer@506fd7ea from coremod FMLLoadingPlugin
at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:260)
at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279)
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176)
... 14 more
Caused by: java.lang.NoClassDefFoundError: net/minecraft/util/IChatComponent
at club.sk1er.mods.core.transform.Transformer.mapMethodName(Transformer.java:32)
at club.sk1er.mods.core.transformers.LayerDeadmau5Transformer.transform(LayerDeadmau5Transformer.kt:13)
at club.sk1er.mods.core.forge.ClassTransformer.transform(ClassTransformer.java:88)
at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:256)
... 16 more
Caused by: java.lang.ClassNotFoundException: net.minecraft.util.IChatComponent
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)
... 20 more
Caused by: java.lang.NullPointerException
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- Head --
Thread: Client thread
Stacktrace:
at net.minecraft.client.renderer.entity.RenderPlayer.<init>(RenderPlayer.java:45)
at net.minecraft.client.renderer.entity.RenderPlayer.<init>(RenderPlayer.java:35)
at net.minecraft.client.renderer.entity.RenderManager.<init>(RenderManager.java:227)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:518)
-- Initialization --
Details:
Stacktrace:
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:378)
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:497)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
-- System Details --
Details:
Minecraft Version: 1.12.2
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: 654622888 bytes (624 MB) / 1073741824 bytes (1024 MB) up to 2147483648 bytes (2048 MB)
JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -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 14.23.5.2854 7 mods loaded, 7 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 |
|:----- |:------------- |:------------ |:---------------------------------- |:---------------------------------------- |
| L | minecraft | 1.12.2 | minecraft.jar | None |
| L | mcp | 9.42 | minecraft.jar | None |
| L | FML | 8.0.99.99 | forge-1.12.2-14.23.5.2854.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 |
| L | forge | 14.23.5.2854 | forge-1.12.2-14.23.5.2854.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 |
| L | modcore | 0.1.40 | Sk1er Modcore-0.1.40 (1.8.9).jar | None |
| L | keystrokesmod | 8.0.2 | Keystrokes-8.0.2 (1.8.9).jar | None |
| L | worldedit | 1.0 | worldedit-forge-mc1.15.2-7.1.0.jar | None |
Loaded coremods (and transformers):
FMLLoadingPlugin (Keystrokes-8.0.2 (1.8.9).jar)
club.sk1er.mods.core.forge.ClassTransformer
GL info: ' Vendor: 'NVIDIA Corporation' Version: '4.6.0 NVIDIA 432.00' Renderer: 'GeForce GTX 950/PCIe/SSE2'
Launched Version: 1.12.2-forge-14.23.5.2854
LWJGL: 2.9.4
OpenGL: GeForce GTX 950/PCIe/SSE2 GL version 4.6.0 NVIDIA 432.00, NVIDIA Corporation
GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.
Using VBOs: Yes
Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Resource Packs: vanilla, file/§bDynamic §7Duo §8Revamp §8[§732x§8].zip (incompatible)
Current Language: English (US)
Profiler Position: N/A (disabled)
CPU: 4x Intel(R) Core(TM) i3-6100 CPU @ 3.70GHz