Error when someone joins server

[Lukas_Puma]

Hello i'm starting my server on Ubuntu and when i join the server turns off and write's an error in console

 

Starting RAGE Multiplayer server...

[=========================================================]

        MaxPlayers:             1000
        Sync rate:              40
        Name:                   test
        Gamemode:               roleplay
        Streaming distance:     500
        Announcement:           disabled
        Voice chat:             enabled
        Address:                MYSERVERIP:22005
        Connection limits:      disabled
        Encryption:             disabled
        NodeJS:                 enabled
        C#:                     true

[=========================================================]

[N] Starting network... - OK: (IPv4-only) at MYSERVERIP:22005
(node:12418) ExperimentalWarning: The ESM module loader is experimental.
Loading packages
Initializing bridge (0.3.7.0)..
This is not a published, standalone application and we are unable to locate the .NET Core SDK.  Please make sure that it is installed; see http://microsoft.com/net/core for more details.
Initializing Bootstrapper.dll (0.3.7.0)..
-> SERVER STARTED AT 04/26/2020 17:40:55
ACLEnabled: True
Loaded 451 entries from vehicleData.json
Loading resources..
-> Starting admin resource..
-> Error starting admin, resource not found.
-> Starting freeroam resource..
-> Error starting freeroam, resource not found.
-> Starting welcomemessages resource..
-> Error starting welcomemessages, resource not found.
-> Starting assault resource..
-> Error starting assault, resource not found.
Started! Waiting for connections..
[P] Plugin bridge.so loaded!
Started HTTP server at 22006 port.

Unhandled Exception: System.NullReferenceException: Object reference not set to an instance of an object.
   at void Bootstrapper.EventInternalClass.OnPlayerRemoteEvent(ushort playerId, ulong eventHash, uint argsCount, IntPtr args)
Aborted

[polack]

Are you using C#? If not disable it in config it should work.

Edited April 27, 2020 by polack

[Division]

follow this guide: https://wiki.rage.mp/index.php?title=Getting_Started_with_Server