sensorgateway reboot - date / time reset

Hello.
i have tried to set time and date and IP address.
and gateway reboot.
after rebooting , current date and current time is changed.


Device information
Current System : Date12 Nov 2021
Current System : Time13:49:59
Hardware VersionRelease 5.1
Firmware VersionRelease 8.6 (Jan 6 2021)


after rebooting.

Current System Date01 Jan 2019
Current System Time00:00:45
Hardware VersionRelease 5.1
Firmware VersionRelease 8.6 (Jan 6 2021)

is it normally?? or is there any problem??

Hello, I've also encountered that issue when I disable the "Use SNTP Time Server". What I did is that, I enable the "Use SNTP Time Server" so that time will not reset to 01 Jan 2019.