Server error I set up a password for my server it wont let me join

[AmericanTubbie]

[2/19/2018 5:19:20 PM] (ERROR) SERVER: Can't handle tick: System.NullReferenceException: Object reference not set to an instance of an object.
at GTAServer.GameServer.Tick()

This Is what pops up in the console

[AmericanTubbie]

and this is what I have for the settings

[AmericanTubbie]

https://pastebin.com/ZTdKTmxN