How to autofill in Opera on Windows 10

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21

and
Washington post: https://www.washingtonpost.com/subscribe/signin

22

and
RT: Rotten Tomatoes: Movies | TV Shows | Movie Trailers | Reviews - Rotten Tomatoes
RT has only 1 account in BW.

It is not working with the three sites mentioned above.

I have tried removing/reinstalling the extension - no change. Autofill settings are all enabled.