SNMP not working after reboot - error finding row index in _ifXTable_container_row_restore

Question

After a Reboot, we cannot query our XGS SFOS 20.0.1 with SNMP anymore due to errors with the snmpd service. 
 Before the reboot it was fine. 
 snmpd is running. saving the config again via Webadmin does not fix the issue, it restarts with the same errors. 
 any suggestions what I can do? 
 
 tail /log/snmpd.log 
 2024-09-14 05:20:57Z database handle is uninitialized 2024-09-14 05:20:57Z Initializing database handle 2024-09-14 05:20:57Z database handle is uninitialized 2024-09-14 05:20:57Z Initializing database handle 2024-09-14 05:20:57Z database handle is uninitialized 2024-09-14 05:22:20Z Received TERM or STOP signal... shutting down... Initializing database handle database handle is uninitialized Initializing database handle database handle is uninitialized unable to open file(read_json_file_into_string) with No such file or directory unable to open file(read_json_file_into_string) with No such file or directory buffer too small to read octet string (13 < 13) 2024-09-14 05:26:48Z error finding row index in _ifXTable_container_row_restore 2024-09-14 05:26:50Z NET-SNMP version 5.9.3 2024-09-14 05:27:09Z IfIndex of an interface changed. Such interfaces will appear multiple times in IF-MIB. 2024-09-19 11:49:11Z Reconfiguring daemon 2024-09-19 11:49:11Z NET-SNMP version 5.9.3 restarted 2024-09-19 11:49:11Z error finding row index in _ifXTable_container_row_restore 2024-09-19 11:49:11Z duplicate registration: MIB modules ipAddressTable and ipAddressTable (oid .1.3.6.1.2.1.4.34). 2024-09-20 07:30:41Z Reconfiguring daemon 
 ##SNMP Config re-saved via Webadmin## 2024-09-20 07:30:41Z NET-SNMP version 5.9.3 restarted 2024-09-20 07:30:41Z error finding row index in _ifXTable_container_row_restore 2024-09-20 07:30:41Z duplicate registration: MIB modules ipAddressTable and ipAddressTable (oid .1.3.6.1.2.1.4.34). XGS4500_AM02_SFOS 20.0.1 MR-1-Build342 HA-Primary# 
 
 XGS4500_AM02_SFOS 20.0.1 MR-1-Build342 HA-Primary# cat /cfs/system/snmpd.conf agentAddress udp:161,udp6:161 sysName fwname syslocation ourcity sysContact xxx sysDescr xxx XGS4500 sysObjectID 1.3.6.1.4.1.2604.5 CreateUser 'snmpv3username' SHA256 "xxx" AES "xxx" rouser 'snmpv3username' authtrapenable 1 XGS4500_AM02_SFOS 20.0.1 MR-1-Build342 HA-Primary#