Message Class list used by SAP ABAP Program ROIACM10 (List/Selection Quantity Schedules Header)
SAP ABAP Program ROIACM10 (List/Selection Quantity Schedules Header) is using
# Object Type Object Name Object Description Note
     
1 Message Class  00 General Basis texts
2 Message Class  BC Scheduler (calendar)
3 Message Class  O0 IS-OIL area independent messages
4 Message Class  O1 IS-Oil : Message pool exchanges
5 Message Class  SH SAPhelp messages