SAP ABAP Message Number FKKINV - 015 (FKKINV) is used by

• Class (13)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_FMCAINV_BAPIBILL Method: CHECK_REFKEYS_ITEMS	Transfer External Billing Document	FMCA_INV	IS-PS-CA	IS-PS-CA
2	Class	CL_FMCAINV_BAPIBILL Method: CHECK_REFKEYS_ADDITEMS	Transfer External Billing Document	FMCA_INV	IS-PS-CA	IS-PS-CA
3	Class	CL_FMCAINV_BAPIBILL Method: CHECK_REFKEYS_TAXITEMS	Transfer External Billing Document	FMCA_INV	IS-PS-CA	IS-PS-CA
4	Class	CL_FMCAINV_BAPIBILL Method: GET_NUMBERS	Transfer External Billing Document	FMCA_INV	IS-PS-CA	IS-PS-CA
5	Class	CL_IM_FMCAINV_BAPIBILL Method: IF_EX_FMCAINV_BAPIBILL~UPDATE_PREPARE	Disjunction Id FMCAINV_BAPIBILL1	FMCA_INV	IS-PS-CA	IS-PS-CA
6	Class	CL_INV_BAPIBILL Method: GET_NUMBERS	Class for Billing document create	FSCR_INV	FI-CAX	FI-CAX
7	Class	CL_INV_BAPIBILL Method: CHECK_REFKEYS_TAXITEMS	Class for Billing document create	FSCR_INV	FI-CAX	FI-CAX
8	Class	CL_INV_BAPIBILL Method: CHECK_REFKEYS_ADDITEMS	Class for Billing document create	FSCR_INV	FI-CAX	FI-CAX
9	Class	CL_INV_BAPIBILL Method: CHECK_REFKEYS_ITEMS	Class for Billing document create	FSCR_INV	FI-CAX	FI-CAX
10	Class	CL_ISTINV_BAPIBILL Method: GET_NUMBERS	Copy External Billing Document	IS_T_INV	IS-T	IS-UT
11	Class	CL_ISTINV_BAPIBILL Method: CHECK_REFKEYS_ADDITEMS	Copy External Billing Document	IS_T_INV	IS-T	IS-UT
12	Class	CL_ISTINV_BAPIBILL Method: CHECK_REFKEYS_TAXITEMS	Copy External Billing Document	IS_T_INV	IS-T	IS-UT
13	Class	CL_ISTINV_BAPIBILL Method: CHECK_REFKEYS_ITEMS	Copy External Billing Document	IS_T_INV	IS-T	IS-UT