Perm ban? WTF help please

Went to bed at 11pm Aus time, was levelling my rive dude, woke up and it says my account is permanently banned? what the heck???

https://imgur.com/a/179C9ID

Just went to try and I am back in! Whoever did something, thank you!

I have a missing files/corrupt message but I’m too scared to restart D:!