SAP ABAP Message Number FN - 511 (FN) is used by

• Function Module (2)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	BAPI_AR_ACC_GETCURRENTBALANCE	Closing balance of customer account in current fiscal year	FBD	APPL	SAP_FIN
2	Function Module	BAPI_AR_ACC_GETPERIODBALANCES	Posting period totals per customer account in current fiscal year	FBD	APPL	SAP_FIN