Message Number list used by SAP ABAP Class CL_GRFN_MSMP_VALIDATE_APPR_ERR (BADI - MSMP Validate Approvers - Error if validation fails)
SAP ABAP Class CL_GRFN_MSMP_VALIDATE_APPR_ERR (BADI - MSMP Validate Approvers - Error if validation fails) is using
# Object Type Object Name Object Description Note
     
1 Message Number  GRFNMW_PUBLIC - 004 Approver '&1' for line item '&2' is not valid