SAP ABAP Message Number OL - 620 (OL) is used by

• Function Module (1)
• Program (2)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Program	LSWOOFFC	Function codes	SWO	BASIS	SAP_BASIS
2	Program	LSWOTF03	Object Tree Editor Object Type Functions	SWO	BASIS	SAP_BASIS