SAP ABAP Program LWLWBF04 (Formroutinen zur Listung) is using

• Data Element (1)
• Table/Structure Field (57)
• Function Module (17)
• Message Class (2)
• Message Number (6)
• Table (14)

#	Object Type	Object Name	Object Description	Note
1	Message Class	LAY	Maintain Message Class: LAY
2	Message Class	WB	Messages for assortment list