SAP ABAP Message Number 8A - 551 (8A) is used by

• Function Module (4)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	ARGENT_PROCESS_00001110	Argentine duplicate XBLNR check, accessed via OPEN FI	J1AF	APPL	SAP_APPL
2	Function Module	FI_CHECK_RULES_FOR_XBLNR	Check XBLNR for Argentine official document numbering	J1AF	APPL	SAP_APPL
3	Function Module	J_1A_OFF_NUMBER_CHECK	Check format of XBLNR for Argentine official document number	J1AF	APPL	SAP_APPL
4	Function Module	OFF_NUMBER_CHECK_ID	Check format of XBLNR for Peruvian official document number	ID-FI-ID	APPL	SAP_FIN