Updated my forge setup to the latest recommended version and now i can't start the game, i get this:

 

[00:40:22] [main/ERROR]: A critical problem occurred registering the ASM transformer class $wrapper.net.minecraftforge.fml.common.asm.transformers.EventSubscriptionTransformer
java.lang.ClassNotFoundException: $wrapper.net.minecraftforge.fml.common.asm.transformers.EventSubscriptionTransformer
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.12.jar:?]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_171]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_171]
    at net.minecraft.launchwrapper.LaunchClassLoader.registerTransformer(LaunchClassLoader.java:88) [launchwrapper-1.12.jar:?]
    at net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper.injectIntoClassLoader(CoreModManager.java:131) [forge-1.12.2-14.23.4.2759.jar:?]
    at net.minecraft.launchwrapper.Launch.launch(Launch.java:115) [launchwrapper-1.12.jar:?]
    at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_171]
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_171]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_171]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_171]
    at info.mineshafter.GameStarter.main(GameStarter.java:33) [ms-starter.jar:?]
Caused by: net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerException: Exception in class transformer net.minecraftforge.fml.common.asm.transformers.SideTransformer@659925f4 from coremod FMLCorePlugin

 

then I updated the latest version and still get the same error.

attached is the log

 

Thanks for any help on this.

higuita

latest.log

What launcher are you using?

i'm using mineshafter with minecraft 1.12.2

 

[14:39:52 INFO]: Minecraft Launcher 1.6.89-j (through bootstrap 4) started on linux...

 

Just now, higuita said:

i'm using mineshafter with minecraft 1.12.2

 

[14:39:52 INFO]: Minecraft Launcher 1.6.89-j (through bootstrap 4) started on linux...

 

What’s mineshafter? If it’s a 3rd party launcher, use the normal launcher, see if the crash still happens and if it does post updated logs

Edited September 3, 20187 yr by Cadiboo