openhab 2 log error (Session does not exist)

[Kampfader]

im using Openhab 2.4, with Flora care Sensor and you mqtt tool.

After every scan appear error messages into the file openhab.log.

can you solve this somehow? used here someone Openhab 2.5 or Nightlys, it was fixed by Openhab? Unfortunately I could not find anything on the internet.

Maybe this can be solved by loging.cfg file, but I have not made it yet, if anyone knows, then tell me, please.

sorry for my bad english.

[kkirpichnikov]

openhab-cli info
Version:     2.4.0 (Build)

Embedded MQTT Broker
misc-mqttbroker - 2.4.0

MQTT Binding
binding-mqtt - 2.4.0

Same is here

==> /var/log/openhab2/openhab.log <==
2019-12-28 18:25:35.796 [ERROR] [.moquette.spi.impl.ProtocolProcessor] - The MQTT client ID cannot be empty. Username=null
2019-12-28 18:25:35.820 [WARN ] [moquette.spi.impl.SessionsRepository] - Session does not exist. CId=7BcvRZm71N4CFIJ0Aoe5OV
2019-12-28 18:25:35.833 [WARN ] [moquette.spi.impl.SessionsRepository] - Session does not exist. CId=7BcvRZm71N4CFIJ0Aoe5OV

I believe that the first lane could be related to this issue. https://github.com/ThomDietrich/miflora-mqtt-daemon/issues/55

Here is how it looks like in the OpenHAB UI