Terms I'm using the very latest version of ItemsAdder and its dependencies. I am sure this is a bug and it is not caused by a misconfiguration or by another plugin. I already searched on this Githu ...

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, ...

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