Message Number list used by SAP ABAP Table PRPS_BALK (PRPS structure for Gantt chart)
SAP ABAP Table PRPS_BALK (PRPS structure for Gantt chart) is using
# Object Type Object Name Object Description Note
     
1 Message Number  IS - 801 Equipment & does not exist
2 Message Number  KO - 181 Overhead key & is not valid