Netty version 4.1.100 JVM version (e.g. java -version) jdk1.8 description Recently, we suddenly reported an Exception online： io.netty.handler.codec ...

Minecraft Internal Exception errors can be frustrating to get rid of if you do not know what to do.

Some of my players cant join the server because of this error, the versions are matching, they're all using the same modpack and only some of them cant join the server, they dont have any other mods, ...