Site Component Manager detected that site system "%1" is currently in use by ConfigMgr site %2. Possible cause: You accidentally ...

%11Site Component Manager detected that site system "%1" is currently in use by ConfigMgr site %2.

Possible cause: You accidentally configured this site system as part of this site and as part of site %2.
Solution: Remove this site system from the list of site systems for this site or for site %2.%0