ERROR akka.io.TcpListener - Bind failed for TCP channel on endpoint

SYMPTOM

You get a warning message in SiteAdmin and have this error in your ErrorLog:

ERROR akka.io.TcpListener - Bind failed for TCP channel on endpoint [/0.0.0.0:8090]

CAUSE

Port conflict on your Windows Server.

SOLUTION

Edit the file C:\GpsGateServer\Franson NMEA Service\GpsGate.Service.exe.config

Add the following line inside the <appSettings> tag:
<add key="MessageStorePort" value="4567" />

Stop and Start the Service again under SiteAdmin -> Service.