[BUG] Game crashed NoClassDefFoundError

[DanielVieiraQuintino]

--- Game crash info ---
Client: FDPCLIENT b12 (git-57c18ad)
Time: 2025-01-19T18:13:36.464
OS: Windows 10 (Version: 10.0, Arch: amd64)
Java: 1.8.0_51 (Vendor: Oracle Corporation)
Available Processors: 6
Max Memory: 2048 MB
Free Memory: 350 MB
Total Memory: 1024 MB
--- Stacktrace ---
java.lang.NoClassDefFoundError: net/minecraft/client/renderer/entity/RenderPlayer
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:481)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:329)
at net.minecraft.client.main.Main.main(SourceFile:124)
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)
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 gg.essential.loader.stage2.relaunch.Relaunch.relaunch(Relaunch.java:124)
at gg.essential.loader.stage2.EssentialLoader.preloadEssential(EssentialLoader.java:220)
at gg.essential.loader.stage2.EssentialLoader.loadPlatform(EssentialLoader.java:116)
at gg.essential.loader.stage2.EssentialLoaderBase.load(EssentialLoaderBase.java:148)
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 gg.essential.loader.stage1.EssentialLoaderBase.load(EssentialLoaderBase.java:293)
at gg.essential.loader.stage1.EssentialSetupTweaker.(EssentialSetupTweaker.java:44)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
at gg.essential.loader.stage0.EssentialSetupTweaker.loadStage1(EssentialSetupTweaker.java:111)
at gg.essential.loader.stage0.EssentialSetupTweaker.(EssentialSetupTweaker.java:34)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
at java.lang.Class.newInstance(Class.java:442)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:98)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
Caused by: java.lang.ClassNotFoundException: net.minecraft.client.renderer.entity.RenderPlayer
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)
... 36 more
Caused by: org.spongepowered.asm.mixin.transformer.throwables.MixinTransformerError: An unexpected critical error was encountered
at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:392)
at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClass(MixinTransformer.java:234)
at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClassBytes(MixinTransformer.java:202)
at org.spongepowered.asm.mixin.transformer.Proxy.transform(Proxy.java:72)
at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279)
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176)
... 38 more
Caused by: org.spongepowered.asm.mixin.throwables.MixinApplyError: Mixin [fdpclient.forge.mixins.json:render.MixinRenderPlayer] from phase [DEFAULT] in config [fdpclient.forge.mixins.json] FAILED during APPLY
at org.spongepowered.asm.mixin.transformer.MixinProcessor.handleMixinError(MixinProcessor.java:636)
at org.spongepowered.asm.mixin.transformer.MixinProcessor.handleMixinApplyError(MixinProcessor.java:588)
at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:379)
... 43 more
Caused by: org.spongepowered.asm.mixin.transformer.throwables.InvalidMixinException: PRIVATE @overwrite method func_177137_d in fdpclient.forge.mixins.json:render.MixinRenderPlayer cannot reduce visibiliy of PUBLIC target method
at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.conformVisibility(MixinPreProcessorStandard.java:485)
at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.attachSpecialMethod(MixinPreProcessorStandard.java:458)
at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.attachOverwriteMethod(MixinPreProcessorStandard.java:419)
at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.attachMethods(MixinPreProcessorStandard.java:349)
at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.attach(MixinPreProcessorStandard.java:302)
at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.createContextFor(MixinPreProcessorStandard.java:280)
at org.spongepowered.asm.mixin.transformer.MixinInfo.createContextFor(MixinInfo.java:1288)
at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.apply(MixinApplicatorStandard.java:292)
at org.spongepowered.asm.mixin.transformer.TargetClassContext.apply(TargetClassContext.java:383)
at org.spongepowered.asm.mixin.transformer.TargetClassContext.applyMixins(TargetClassContext.java:365)
at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:363)
... 43 more

[MukjepScarlet]

Try upgrade your JRE and Minecraft Forge.