Message Number list used by SAP ABAP Class CL_EXMP_IM_MPA_EXIT (Example implementation for business add-in definition MPA_EX)
SAP ABAP Class CL_EXMP_IM_MPA_EXIT (Example implementation for business add-in definition MPA_EX) is using
# Object Type Object Name Object Description Note
     
1 Message Number  MPA_MESSAGES - 005 AlertId &: Object type is invalid (can have the value 1 or 2)
2 Message Number  MPA_MESSAGES - 009 AlertId &: RFC destination does not exist for MAM scenario
3 Message Number  MPA_MESSAGES - 018 AlertId &1: Contacted the back-end system
4 Message Number  MPA_MESSAGES - 022 Invalid action command; see long text