SAP ABAP Function Module KNB5_DUPLICATE_CHECK (Prüfen der knb5 auf Doubletten) is using

• Data Element (1)
• Table/Structure Field (2)
• Function Module (1)
• Message Class (1)
• Message Number (1)
• Table (3)

#	Object Type	Object Name	Object Description	Note
1	Message Number	F2 - 051	Dunning area & already exists