[HELP]Zabbix Iris SNMP Monitoring got waning message

I tried to monitoring IRIS with Zabbbix Server. Snmpwalk from Zabbix to IRIS success and got data from IRIS. But in message.log appears many warning message if snmpwalk running. 

11/18/23-21:04:31:507 (30326) 1 [Utility.Event] Unexpected error relating to fetch in TrakCare SNMP - <UNDEFINED>zSNMPFetch+110^websys.Indicators.1 *TCNS("1","3","1")
11/18/23-21:04:31:520 (30326) 1 [Utility.Event] Unexpected error relating to fetch in TrakCare SNMP - <UNDEFINED>zSNMPFetch+117^websys.Indicators.1 *TCNS("1","3","1")
11/18/23-21:04:31:533 (30326) 1 [Utility.Event] Unexpected error relating to fetch in TrakCare SNMP - <UNDEFINED>zSNMPFetch+124^websys.Indicators.1 *TCNS("1","3","1")
11/18/23-21:05:31:724 (30326) 1 [Utility.Event] Unexpected error relating to fetch in TrakCare SNMP - <UNDEFINED>zSNMPFetch+85^websys.Indicators.1 *TCNS("1","3","1")
11/18/23-21:05:31:741 (30326) 1 [Utility.Event] Unexpected error relating to fetch in TrakCare SNMP - <UNDEFINED>zSNMPFetch+92^websys.Indicators.1 *TCNS("1","3","1")
11/18/23-21:05:31:759 (30326) 1 [Utility.Event] Unexpected error relating to fetch in TrakCare SNMP - <UNDEFINED>zSNMPFetch+101^websys.Indicators.1 *TCNS("1","3","1")
11/18/23-21:05:31:777 (30326) 1 [Utility.Event] Unexpected error relating to fetch in TrakCare SNMP - <UNDEFINED>zSNMPFetch+110^websys.Indicators.1 *TCNS("1","3","1")
11/18/23-21:05:31:795 (30326) 1 [Utility.Event] Unexpected error relating to fetch in TrakCare SNMP - <UNDEFINED>zSNMPFetch+117^websys.Indicators.1 *TCNS("1","3","1")
11/18/23-21:05:31:806 (30326) 1 [Utility.Event] Unexpected error relating to fetch in TrakCare SNMP - <UNDEFINED>zSNMPFetch+124^websys.Indicators.1 *TCNS("1","3","1")
11/18/23-21:06:31:904 (30326) 1 [Utility.Event] Unexpected error relating to fetch in TrakCare SNMP - <UNDEFINED>zSNMPFetch+85^websys.Indicators.1 *TCNS("1","3","1")
11/18/23-21:06:31:921 (30326) 1 [Utility.Event] Unexpected error relating to fetch in TrakCare SNMP - <UNDEFINED>zSNMPFetch+92^websys.Indicators.1 *TCNS("1","3","1")
11/18/23-21:06:31:935 (30326) 1 [Utility.Event] Unexpected error relating to fetch in TrakCare SNMP - <UNDEFINED>zSNMPFetch+101^websys.Indicators.1 *TCNS("1","3","1")
11/18/23-21:06:31:948 (30326) 1 [Utility.Event] Unexpected error relating to fetch in TrakCare SNMP - <UNDEFINED>zSNMPFetch+110^websys.Indicators.1 *TCNS("1","3","1")
11/18/23-21:06:31:962 (30326) 1 [Utility.Event] Unexpected error relating to fetch in TrakCare SNMP - <UNDEFINED>zSNMPFetch+117^websys.Indicators.1 *TCNS("1","3","1")
11/18/23-21:06:31:976 (30326) 1 [Utility.Event] Unexpected error relating to fetch in TrakCare SNMP - <UNDEFINED>zSNMPFetch+124^websys.Indicators.1 *TCNS("1","3","1")
11/18/23-21:07:31:941 (30326) 1 [Utility.Event] Unexpected error relating to fetch in TrakCare SNMP - <UNDEFINED>zSNMPFetch+85^websys.Indicators.1 *TCNS("1","3","1")
11/18/23-21:07:31:951 (30326) 1 [Utility.Event] Unexpected error relating to fetch in TrakCare SNMP - <UNDEFINED>zSNMPFetch+92^websys.Indicators.1 *TCNS("1","3","1")
11/18/23-21:07:31:960 (30326) 1 [Utility.Event] Unexpected error relating to fetch in TrakCare SNMP - <UNDEFINED>zSNMPFetch+101^websys.Indicators.1 *TCNS("1","3","1")
11/18/23-21:07:31:973 (30326) 1 [Utility.Event] Unexpected error relating to fetch in TrakCare SNMP - <UNDEFINED>zSNMPFetch+110^websys.Indicators.1 *TCNS("1","3","1")
11/18/23-21:07:31:986 (30326) 1 [Utility.Event] Unexpected error relating to fetch in TrakCare SNMP - <UNDEFINED>zSNMPFetch+117^websys.Indicators.1 *TCNS("1","3","1")
11/18/23-21:07:31:999 (30326) 1 [Utility.Event] Unexpected error relating to fetch in TrakCare SNMP - <UNDEFINED>zSNMPFetch+124^websys.Indicators.1 *TCNS("1","3","1")
11/18/23-21:08:31:726 (30326) 1 [Utility.Event] Unexpected error relating to fetch in TrakCare SNMP - <UNDEFINED>zSNMPFetch+85^websys.Indicators.1 *TCNS("1","3","1")
11/18/23-21:08:31:739 (30326) 1 [Utility.Event] Unexpected error relating to fetch in TrakCare SNMP - <UNDEFINED>zSNMPFetch+92^websys.Indicators.1 *TCNS("1","3","1")
11/18/23-21:08:31:751 (30326) 1 [Utility.Event] Unexpected error relating to fetch in TrakCare SNMP - <UNDEFINED>zSNMPFetch+101^websys.Indicators.1 *TCNS("1","3","1")
11/18/23-21:08:31:764 (30326) 1 [Utility.Event] Unexpected error relating to fetch in TrakCare SNMP - <UNDEFINED>zSNMPFetch+110^websys.Indicators.1 *TCNS("1","3","1")
11/18/23-21:08:31:776 (30326) 1 [Utility.Event] Unexpected error relating to fetch in TrakCare SNMP - <UNDEFINED>zSNMPFetch+117^websys.Indicators.1 *TCNS("1","3","1")

I tried set ^SYS("MONITOR","SNMP","DEBUG")=1, but nothing anomaly  in log SNMP.log

Could you help me please. Thanks in advance