SAP Message 6A870 - Short description for object type already allocated

Diagnosis
The names of the automatically generated functional locations areformed as follows:
Object type 2 characters
Company code 4 characters
Slash 1 characters
Business entity 8 characters
If necessary 1 character
If necessary PR 8 characters
or building
or rental unit
To ensure that the functional location names of properties, buildingsand rental units are unique, a short name for these object types canonly be assigned once.

System Response
The system does not accept the short name

Procedure
Choose another short name