SAP ABAP Message Number KF - 421 (KF) is used by

• Program (2)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Program	LKAL1I99	LKAL1I99	KALC	APPL	SAP_FIN
2	Program	MKAL1I99	erweiterte Tabellenpflege untere Ebene	KALC	APPL	SAP_FIN