I mean, the screen clearly says you did something to violate the ToS, so you did something.
Allow someone to play on your account? Play someone else's account? Download third-party software like an APK? Download Google Play from a third party because you're in China where Google is banned?
There's quite a few options.
I haven't done anyone of this so just have to see what kabam support says
They will tell you its permanently closed...