SAP Message S03440 - Cannot read list of business processes (Error &1 &2)

Diagnosis
An error occurred while calling the function module DMD_GET_BP. Thesystem cannot read the list of business processes for a specifiedsolution.

System Response
Error 1: unable_to_open_model
Error 2: object_type_not_found
Error 3: internal_error
Error 4: no_authorization
Error 5: language_not_found
Error 6: communication_failure
Error 7: system_failure
Error 8: others

Procedure
Check the solution and the RFC destination for the solution manager.