While logging into English Wikipedia on Chrome, I was sent to
http://wikimediafoundation.org/wiki/Special:CentralLogin/start?token=<token>
(I can provide the token if it is helpful)
which is an error page:
No such special page
You have requested an invalid special page.
A list of valid special pages can be found at Special pages.
Return to Home.
Version: unspecified
Severity: major
See Also:
https://bugzilla.wikimedia.org/show_bug.cgi?id=53498
https://bugzilla.wikimedia.org/show_bug.cgi?id=54195