SAP Message 6D777 - Status '&3' for &1 (&2) not allowed due to rental (&4)

Diagnosis
You want to set the status of object &V1& in period &V2& to "&V3&".However, the object is rented (there is a rental agreement) duringperiod &V4&.

System Response
The system has cancelled the processing.

Procedure
Assign one of the allowed statuses (Also refer toAvailability of Real Estate objects)