SAP ABAP Program LIWP3I1A (IWERK_PRUEFEN_I20) is using

• Data Element (1)
• Table/Structure Field (16)
• Function Module (2)
• Message Class (2)
• Message Number (5)
• Table (7)

#	Object Type	Object Name	Object Description	Note
1	Message Class	I0	Messages for PM tables
2	Message Class	IP	Messages for preventive maintenance