SAP ABAP Message Number E2 - 503 (E2) is used by

• Class (1)
• Function Module (1)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_WB_DDIC Method: IF_WB_PROGRAM~PROCESS_WB_REQUEST	Initial Screen of Dictionary	SEDD	BASIS	SAP_BASIS