Just got banned for cheating for no reason is there a way to appeal?

i got banned for cheating or third party software. i have no clue why and i have not cheated in this game or tried to. is there some way to appeal. just yesterdays i was playing just fine

Contact support. If you’re sure you didn’t used any forbidden in-game modification check your Gaijin log-in history maybe your account was accessed by someone else.