Message Number list used by SAP ABAP Program LRHP0IAT (AT USER COMMAND event for SAPLRHP0)
SAP ABAP Program LRHP0IAT (AT USER COMMAND event for SAPLRHP0) is using
# Object Type Object Name Object Description Note
     
1 Message Number  PQ - 022 Action was cancelled
2 Message Number  PQ - 027 Choose a valid line