404 when trying to log into the forum

Aimeos reported an issue

The link to sign in for the forum (/my-account/sso/forum/) leads to a 404 page

Reported URL:https://typo3.org/my-account/sso/forum/

User Agent:Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36