What's With OLC

In the past three days, when I log in, I'm directed to a page which
says, "Es wurde festgestellt dass Deine E-Mail Adresse falsch ist.Bitte
klicke hier um Deine Daten zu aktualisieren."
https://www.onlinecontest.org/olc-2.0/secure/memberadmin.html

Clicking the link takes me to a page to update my personal information
which I've done. But when I try to upload a flight, it takes me back to
the same link. My workaround has been to not log in and then do a
direct claim, which asks for my username and password and then uploads
the flight. What has changed?
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Dan, 5J