Thread:Project:Support desk/Upgrade from MW 1.18.1 to 1.23.5 broke sysop and Bureaucrat users functionality/reply (2)

I used links off: /index.php/Special:ListGroupRights under Groups: Bureaucrats & Administrators to test my Permissions.

These all gave me Permission Error:

index.php/Special:Maintenance

index.php/Special:UserCredentials

index.php/Special:ConfirmAccounts

index.php/Special:UserLogin/signup

Once again these URLs do display my username:

index.php?title=Special:ListUsers&group=sysop

index.php?title=Special:ListUsers&group=bureaucrat

My USERID is listed twice: from user:user_id in user_groups:ug_user.

Confusingly all user_groups:ug_groups are displayed as BLOB.

Thanks for helping!!!