I’ve this issue too, for the first time in my playtime.

31st of March I reactivated my main accaunt using CC. Success, playable.
Also, I’ve upgraded my sons 2 accounts from froob to fully paid.

1st Account had payment Failed (yet CC was charged). After 8 days this acc went frozen.
2nd account had payment succesfully, CC was charged, and it’s playable normally.

So, I’ve used 1 CC card to pay for 3 accounts, and one transaction seemed failed, buyt still charged, and its now frozen :confused: