Just come back after a long break.

Started a new Sith Juggernaut and I cannot join groups on Korriban.

I can get invited, and then I accept. And then it's like I am not in the group (no group chat, no shared kills) but I cannot be invited to a group again... because the game thinks I am already in a group.

Relogging, restarting, logging in other characters does not change this.

Has anything changed or am I bugged?