SAP Message BEF_CUSTOMIZING648 - Field &2 and reference field &1 have different structure types

Diagnosis Field and reference field indicate different visibility or persistency,and may exist in different structures that need to be generated. System Response The system cannot carry out generation. Procedure Check entries for field &SYST-MSGV2& and reference field &SYST-MSGV1& inmetadata table BEFM_FA.