Solved
My account has been overwritten to another one
Yesterday I couldn't log in to my account and was looking for a way to fix it. I was advised to go into the settings and import my account. When I did this, I now have another account linked instead ...
This worked for me I can log in again via google play:
https://forums.ea.com/blog/swgoh-game-info-hub-en/updated-3-connection-issue/12230664
