can't login using Yahoo open ID

English
,
#1

I cannot login when I click on the Yahoo icon. A banner with “Invalid open ID” shows up.
How can I solve this?

Difficulty logging in with Yahoo OpenID
#2

This is the same question I asked on November 2015, but still got no answer.

#3

See the answer to my question (link above), it seems to be fixed.

#4

Impressum (Legal Info) | Datenschutzerklärung (Privacy Policy)   Content on this site is licensed under a Creative Commons Attribution Share Alike 3.0 license.