[Fixed] Need help with Tasmota Firmware on Sonoff

Hey everyone just started getting into Home Automation but I seem to be having issues with Sonoffs with Tasmota Firmware.

When MQTT is enabled on Tasmota firmware the Firmware seems to have issues (Cant get reliable access to the Web Interface) most MQTT publishes don’t get through according to my MQTT Client on my laptop (only sometimes does tele/testsonoff/LWT) .

When MQTT is disabled the web interface runs perfectly.

The serial Log i get from the Sonoff is;

As you can see the Log also looks strange but this also occurs with MQTT disabled.
I have tested and get the same issues on another Sonoff

Found a fix. Downgraded the ESP board module on Arduino from 2.4.0 to 2.3.0.