SAP ABAP Program ST20_LAYOUT_CHECK (Include ST20_LAYOUT_CHECK) is using

• Class (1)
• Table/Structure Field (6)
• Function Module (3)
• Message Class (1)
• Message Number (3)
• Class Method (1)
• Table (2)

#	Object Type	Object Name	Object Description	Note
1	Message Class	00	General Basis texts