Message Class list used by SAP ABAP Program RNUNTRC0 (IS-H: Reorganize Trace Log Table)
SAP ABAP Program RNUNTRC0 (IS-H: Reorganize Trace Log Table) is using
# Object Type Object Name Object Description Note
     
1 Message Class  01 General Basis, e.g. user and authorization maintenance
2 Message Class  NTRC IS-H: Messages for Trace Logging