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

• Function Module (3)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	OCS_CHECK_COMPONENT	Check whether a component condition in PAT07 is fulfilled	SPAM	BASIS	SAP_BASIS
2	Function Module	OCS_CHECK_COMP_VERS_SP_LEVEL	Check whether a component condition in PAT07 is fulfilled	SPAM	BASIS	SAP_BASIS
3	Function Module	OCS_CHECK_DECLARATION	Check whether a declaration condition in PAT07 is fulfilled	SPAM	BASIS	SAP_BASIS