The login issues should now be fixed. If you are still getting errors, please try refreshing the page your login link is on as the link expires after 15 mins.
Should that not resolve the issue, it is possible that your data has become unsynched, this is related to some of the updated security procedures we were working on.
If you are having trouble logging back onto one or the other servers, please log into your master account then depending on the server you have trouble with go to one of those links, and click the button:
World of Legends
Genesis