We warmly welcome you to the Friendly King Community's Candy Crush Friends Saga forum.🤗
In fact, if you change your Facebook or Kingdom password without logging out the game, the game app will be corrupted. There may also be problems for various reasons and according to your screenshot I see your game app has been corrupted.
In that case, you must uninstall and reinstall the game app.There is no other way. You will lose all the stored boosters to do this, but will regain your gold bars and game progress.