Cannot drop the Windows Server Failover Clustering (WSFC) group (ID or name '%1!s!'), because the WSFC group does not exist. ...

Cannot drop the Windows Server Failover Clustering (WSFC) group (ID or name '%1!s!'), because the WSFC group does not exist.  Specify a valid WSFC group ID or name and retry the operation.  For information about this error, see error code 5013 in "System Error Codes" in the Windows Development documentation.