LiteLoader / LiteLoader · Issues

The EventProxy classes are synthetic classes, what this error means (usually) is that a transformer in the transformer chain is failing to handle null classBytes correctly. When a transformer receives null it must either synthesize the class or return null so that later transformers in the chain can return the bytecode.

Since liteloader's transformer needs to generate the class, if a transformer is incorrectly handling the null bytecode and throwing an exception for example, the request will never reach liteloader's transformer and the class will never be generated.

Basically this situation can only be caused by a faulty transformer which is failing to return null when receiving null bytecode.

Unrelated: sorry for the slow response, I was on holiday and only noticed this issue when I got a notification for a different issue.

well it only happens when this and galacticraft are together, galacticraft says its not there issue soo idk

All I can tell you is this happens when a transformer doesn't handle null class bytes correctly, basically liteloader never gets a chance to create the class because some upstream transformer basically says "nope, that class doesn't exist" (either intentionally or by throwing an error) before liteloader gets a chance to create the class.