Message Class list used by SAP ABAP Class CL_COST_OBJECT_TREE (Cost Object Hierarchy: Hierarchy Display)
SAP ABAP Class CL_COST_OBJECT_TREE (Cost Object Hierarchy: Hierarchy Display) is using
# Object Type Object Name Object Description Note
     
1 Message Class  KN Reporting for Costing
2 Message Class  KZ Cost Object Repetitive Mfg / Process Mfg