I'm having this same issue for Opera 49 on a Mac. Trying to sign in from the settings pops open a menu at the top, right. When I enter my e-mail and password, the menu goes away, but I am still not signed in. There is no error message or anything to tell me what happened.
Best posts made by natedillon
This user hasn't posted anything yet.
Latest posts made by natedillon
RE: Can't sign in to OperaOpera for Windows