RAK7240 losing settings

Issue: I have problem with one of my RAK7240.
It seems to be losing its settings.
I have upgraded to the latest firmware but still this happens after a few weeks.
Do you have any ideas on what can cause this?

Setup:

LoRa® Server:

Details:

Hello @Juri,
Welcome to the RAK forum!
Could you provide some more information:
What is the gateway version?
What specific settings are lost and in what situation?
Can you provide any steps for reproducing the problem?

Best Regards