SAP ABAP Message Number PN - 406 (PN) is used by

• Program (2)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Program	HBRCATT0	Messages for Computer Aided Test Tool	PC37	HR	SAP_HRCBR
2	Program	RPCHRT09_CATT_MESSAGE	CATT_MESSAGE	PCAL	HR	SAP_HRRXX