It can happen in any lemmy.world community, even if you did absolutely nothing wrong and you wont be told anything, not even that you have been banned or why. You just suddenly can not log in any more and when the ban is over you might even find that all content you ever posted has been deleted and can not be brought back. Lemmy.world admin team urgently needs to improve their banning practice and they should really consider to start answering emails. On the other hand, did I already tell you what a great instance lemm.ee is? They also have a very nice admin team over there …