Originally all my many froob accounts were blocked. About 14 of them. After advice on discord and google being my frand. I managed to unlock a few. Then after more searching and reading posts like yours and others with similar problems I decided to go the VPN route as I figured it was the ip block thing. Yep it was. So I then managed to unblock all but three accounts myself jumping from one country to another onj the vpn and using the Uncancel_sub version of the account log in link. finally after upping my petition in game from a question to exploit. I got a response from Umboris to the petition where he helped unblock the two other froob accounts. So I tried to log into one. It worked fine on both account log in and game. The 2nd froob one, I couldn’t log into either one but the game client wasn’t saying unpaid or blocked anymore… just that my password is wrong. But I don’t know the email for that account so can’t reset the password. So the petition/ticket was taken to emails. I was asked to send proof of ID after that They should be able to help. Photo of my passport (blacking out the numbers and stuff) was sent. No reply for multiple days. Waited patiently. Decided to resend the email on Monday in case it didn’t go through. This time adding proof of my provisional drivers licence. Waited patiently… still waiting, not as patiently
Edit: Actually the first froob account out of the two Umboris unblocked in game, I can log into game with it but not the account page for it. So that one isn’t fully fixed either although not as much of a prob as i can play it at least.