Thank you so, so much. I've been at it (and it took reading down the page this far to get to the solution) for a while now. So much relief! Thank you. This works 100% on MacOS Ventura 13.3.1 (22E261). [Deleting the Opera Safe Store in Keychain Access]. You saved my life (I don't like Chrome, Safari, Firefox, Vivaldi, Bing, etc.).
Again, Thank You!!!