I have the same issue for a week now.I reinstalled the game but i cant log in on my mobile, fut web app, on my pc neither. I really want to play..
Try posting in the technical forum... Better do a live chat. Servers go down but a week is too long.
You can try our tool for help getting back in after a disconnect or losing access.
You can try our tool for help if you lost your Weekend League access.
Turn on Login Verification to access FUT Web and Companion Apps, and protect your information.