SAP ABAP Message Number BUAVC - 503 (BUAVC) is used by

• Function Module (4)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	BUAVC_READ_DEFINITION_ALDNR	Read definition and attributes of availability ledger	FMAVC_E	EA-PS	EA-PS
2	Function Module	BUAVC_READ_TEXT_ALDNR	Read text for availability control ledger	FMAVC_E	EA-PS	EA-PS
3	Function Module	FMAVC_CHECK_ALDNR_FOR_FM	Check if AVC ledger can be used for FM	FMAVCA_E	EA-PS	EA-PS
4	Function Module	GMAVC_CHECK_ALDNR_FOR_GM	Check if AVC ledger can be used for GM	GMBUDGETING_E	EA-PS	EA-PS