Message SAP /CRMBW/MSG_GEN152 - No source system ID assigned to logical system &1

Diagnosis
For each source system, you must assign a source system ID that isunique throughout the system landscape. The ID should have a fieldlength of 2 characters.

Procedure
Go to transaction RSA1 and choose Tools -> Asgnmt. ofSrce Syst. to Srce Syst. ID.
This ID is used in the context of customer extensions as an identifierfor generated object names.