SAP Message /SAPHT/DRM01078 - Mismatch in reported and derived partner.

Diagnosis
The DR has reported internal partner as &SYST-MSGV1& But in theexternal to internal partner mapping (transaction /SAPHT/DRM_C10)internal partner &SYST-MSGV3& corresponds to external partnerSyst-msgv2 for tracking partner syst-msgv4

Procedure
Update internal partner in staging records to &SYST-MSGV3& for stagingrecords with internal partner as &SYST-MSGV1&, external partnerSyst-msgv2 and tracking partner syst-msgv4.