SAP ABAP Program LKEPSF0J (LKEPSF0J) is using

• Table/Structure Field (4)
• Function Module (1)
• Message Class (1)
• Message Number (2)

#	Object Type	Object Name	Object Description	Note
1	Message Number	KG - 576	Plan structure & is locked
2	Message Number	KG - 577	Abend: system error