SAP ABAP Message Number M8 - 103 (M8) is used by

• Function Module (2)
• Program (1)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	J_1B_NFE_ENQUEUE_VBRK_BKPF	Set NF-e number in XBLNR of Billing and FI-Documents	J1BA	APPL	SAP_APPL
2	Function Module	MRM_INVOICE_NUMBER_CHECK	Logistik-Rechnungsprüfung: Prüfen externe Belegnummer	MRM	APPL	SAP_APPL