SAP ABAP Program LKEPSF1T (LKEPSF1T) is using

• Table/Structure Field (47)
• Function Module (5)
• Message Class (1)
• Message Number (2)
• Table (5)

#	Object Type	Object Name	Object Description	Note
1	Message Number	KG - 551	Insert level: select a valid node
2	Message Number	KG - 558	Insert at same level: select a valid node