Message Class list used by SAP ABAP Program RSHOWTIM (Runtime of ABAP Objects Statements)
SAP ABAP Program RSHOWTIM (Runtime of ABAP Objects Statements) is using
# Object Type Object Name Object Description Note
     
1 Message Class  01 General Basis, e.g. user and authorization maintenance
2 Message Class  S7 Runtime analysis: Message texts
3 Message Class  TR Change and Transport System