Can't do anything after reconnecting my controller

As said in the title I can’t move in the Menu if my controller is disconnected once. After reconnecting I can still open the guide but can’t do anything in the mcc besides opening the roster with X. I am logged into my account and it doesent say anything about wrong account or please reconnect your controller. This happend to me before, never in multiplayer though, and i always had to close the mcc and restart. It didn’t bother me to much since it only happend in the menus, but now i started a round of custom firefight, paused, had to do something else, my controller disconnects automaticly, i come back switch the controller on and can’t press B. I dont want to restart mcc and loose all my progress!!

Can somebody help me?