SAP ABAP Message Number FN - 020 (FN) is used by

• Class (1)
• Function Module (12)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	BAPI_COMPANYCODE_EXISTENCECHK	Check if Company Code Exists	FBASCORE	APPL_TOOLS	SAP_FIN
2	Function Module	BAPI_COMPANYCODE_GETDETAIL	Company Code Details	FBASCORE	APPL_TOOLS	SAP_FIN
3	Function Module	BAPI_GL_ACC_EXISTENCECHECK	Check existence of G/L account	FBS	APPL	SAP_FIN
4	Function Module	BAPI_GL_ACC_GETBALANCE	Closing balance of G/L account for chosen year	FBS	APPL	SAP_FIN
5	Function Module	BAPI_GL_ACC_GETCURRENTBALANCE	Closing balance of G/L account for current year	FBS	APPL	SAP_FIN
6	Function Module	BAPI_GL_ACC_GETLIST	List of G/L accounts for each company code	FBS	APPL	SAP_FIN
7	Function Module	BAPI_GL_ACC_GETPERIODBALANCES	Posting period balances for each G/L account	FBS	APPL	SAP_FIN
8	Function Module	BAPI_GL_GETGLACCBALANCE	Closing balance of G/L account for chosen year	FBS	APPL	SAP_FIN
9	Function Module	BAPI_GL_GETGLACCCURRENTBALANCE	Closing balance of G/L account for current year	FBS	APPL	SAP_FIN
10	Function Module	BAPI_GL_GETGLACCPERIODBALANCES	Posting period balances for each G/L account	FBS	APPL	SAP_FIN
11	Function Module	FI_COMPANYCODE_GETDETAIL	Lesen von Attributen des Buchungskreises aus T001 + Zusatzdaten	FBASCORE	APPL_TOOLS	SAP_FIN
12	Function Module	ISR_FI_BUPA_GET_CLERK_DATA	ISR: Sachbearbeiterdaten beim Debitoren	ACC_INTERNET_SERVICES	APPL	SAP_FIN