League ZZZ. What is it?

My ID: mv7kv7
Suddenly I turned to league ZZZ from league F today. And i cant use the guid function. Is it bug and what I should to do?
Thank you for your attention.

It is the cheating league. You left your player id already so just wait until @marspark can look into it if you think you are innocent.

It can happen sometimes to those who are innocent.