SAP Message UCM0016 - No logical system is assigned to client &1 in system &2

Diagnosis
When you start queries
on the virtual InfoCube of Consolidation, the BW software establishecontact with the SEM software by means of an RFC connection. Thelogical system name of thecurrent SEM client is used as the default value for an RFC connectionbetween BW and SEM.
The logical system name cannot be determined.

System Response
Processing terminated

Procedure
Assign a logical system to the client.