BRAVE REWARDS - my brave rewards account is flagged?

Hello.
I did notice, that i did not recieve any BATs since March. Later then I noticed that my Brave Rewards account was flagged. I was reading about it and it says it can be also unflagged immediately. I didn’t notice any unusual activity on my PC at all. If the flagging process is automatic, maybe is not there any issue. Would you be so kind and help me figure out, why my account is flagged and what I can do to not have it flagged?

I am looking forward to your response.