at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at net.minecraftforge.fml.common.ModClassLoader.loadClass(ModClassLoader.java:75)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at net.minecraftforge.fml.common.FMLModContainer.constructMod(FMLModContainer.java:539)
... 36 more
Caused by: net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerException: Exception in class transformer net.minecraftforge.fml.common.asm.transformers.SideTransformer@356bdc7a from coremod FMLCorePlugin
at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:260)
at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279)
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176)
... 42 more
Caused by: java.lang.IllegalArgumentException
at org.objectweb.asm.ClassReader.<init>(ClassReader.java:185)
at org.objectweb.asm.ClassReader.<init>(ClassReader.java:168)
at net.minecraftforge.fml.common.asm.transformers.SideTransformer.transform(SideTransformer.java:53)
at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:256)
... 44 more
A detailed walkthrough of the error, its code path and all known details is as follows: