Message Number list used by SAP ABAP Function Module CJ2054_DELETE (PSP-Elemente per BAPI löschen)
SAP ABAP Function Module CJ2054_DELETE (PSP-Elemente per BAPI löschen) is using
# Object Type Object Name Object Description Note
     
1 Message Number  CJ - 021 WBS element & does not exist
2 Message Number  CNIF_PI - 079 You cannot delete objects you have not saved (&1)