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Samebug tips

  1. ,
    via minecraftforum.net by Unknown author

    The stack trace shows which mod caused the problem (in my case it was at com.pahimar.ee3.reference.Textures.<clinit>, so the mod in question is EE3). Remove or reinstall that mod.

Solutions on the web

via GitHub by takaqiao
, 1 year ago
net/minecraft/client/multiplayer/WorldClient 17:32:31 at java.lang.Class.forName0(Native Method) ~[?:1.7.0_21] 17:32:31 at java.lang.Class.forName(Unknown Source) ~[?:1.7.0_21] 17:32:31 at cpw.mods.fml.common.ProxyInjector.inject
java.lang.RuntimeException: Attempted to load class bjf for invalid side SERVER	at cpw.mods.fml.common.asm.transformers.SideTransformer.transform(SideTransformer.java:51)	at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279)	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176)	at java.lang.ClassLoader.loadClass(Unknown Source)	at java.lang.ClassLoader.loadClass(Unknown Source)	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.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:176)	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:631)	at java.lang.Thread.run(Unknown Source)