It was not the solution.
disconneting after a few day even more then ever.
I'm almost giving and move to HomeAssistant

I have managed that mqtt is stable, for now for 5 days on a row. I have put mqtt in a docker and used this config: persistence true allow_anonymous true password_file /mosquitto/config/passwd listener 1883 log_type all #log_type information #log_type notice #log_type error #log_type warning log_dest ...

Did you manage to solve the problem. I have the same problem it runs for a week and then several disconnect errors: Line 1: 2022-12-29T11:24:39: Client Domoticz-MQTT-AutoDiscoverf6d6e1f2-d267-4215-a684-d536c912910c33 closed its connection. Line 4: 2022-12-29T11:26:35: Client Domoticz-MQTT ...