Check Catalog Msg 3857, State 1: The attribute (owning_principal_id=NULL) is required but is missing for row (principal_id=9) in sys.database_principals (type=R).

Hi, 

We've had a vm crash which has caused a lot of corruption. all my errors seem to be in sys.database_principals..  which seemed easy to fix!

I thought dropping the principal id user and recreating would resolve it but now