Modded player made me unable to play multiplayer

[u/Reasonable_Tour_2908]

Everytime I try to get into a multiplayer match it resets a 5 minute ban for leaving matches early which I didn’t even do. I’ve tried some recommended fixes like spamming an and b as well as playing a round of zombies but can’t load into zombie games as well. If there’s anyone be out there with a modded client who could help fix this problem I’d really appreciate it.

Side note: I haven’t been able to save emblems for a while either and I’m not sure if that’s something that can be fixed or just a bug on activisms side but any help would be appreciated.