SAP ABAP Program RKSCHEM1 (List Overview for Structure Maintenance) is using

• Data Element (5)
• Table/Structure Field (77)
• Function Module (6)
• Message Class (2)
• Message Number (2)
• Program (2)
• Table (16)

#	Object Type	Object Name	Object Description	Note
1	Message Number	KW - 648	The marked assignment is incomplete
2	Message Number	S4 - 120	Specify an existing value