Comment # 5 on bug 1024727 from roke beedell

(In reply to Martin Rohde from comment #2)
> Created attachment 845496 [details]
> the specified LDAP attribute was not found
> 
> Way to reproduce: 
> 1. Sign up as a new user (directly via Bugzilla or via the openSUSE wiki)
> 2. Log in with your newly created username and password.

Does manually navigating to
https://bugzilla.opensuse.org/saml2_login.cgi?idp=openSUSE_IDP&target=index.cgi
work?