The first issue was solved by changing the Web Pages entry in the Google Apps to something like dadada.mysuperdomain.com. The very odd thing was that the entry present wasn't even pointing the www.mysuperdomain.com, it was google.com/a URL with subdomain. Helpful error messages would really be something...
The second issue with the duplicate developer still persists. -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.
