SAP ABAP Program RFBNUM00 (Gaps in Document Number Assignment) is using

• Class (5)
• Data Element (1)
• Table/Structure Field (60)
• Function Module (9)
• Message Class (1)
• Message Number (6)
• Class Method (4)
• Table (10)

#	Object Type	Object Name	Object Description	Note
1	Class	CL_SALV_FORM_CONTENT	Set and Read Design Object
2	Class	CL_SALV_FORM_LAYOUT_FLOW	Flow Element in Design Object
3	Class	CL_SALV_FORM_LAYOUT_GRID	Grid Element in Design Object
4	Class	CL_SALV_FORM_TEXT	Element of Type Text
5	Class	CL_SALV_FORM_UIE_LAYOUT_GRID	CL_SALV_FORM_UIE_LAYOUT_GRID-