Unable to load game mode because one was not set

Hello.

There's the problem:

Code:

Unable to load game mode because one was not set.
Game ended because the specified game mode was not found.
Game ended because the specified game mode was not found.
Ending game...
Ending Steam auth session with 9999999999.
System.DllNotFoundException: CSteamworks
  at (wrapper managed-to-native) Steamworks.NativeMethods:SteamClientGameServer ()
  at Steamworks.InteropHelp.TestIfAvailableGameServer () [0x00000] in <filename unknown>:0
  at Steamworks.SteamGameServer.EndAuthSession (CSteamID steamID) [0x00000] in <filename unknown>:0
  at CodeHatch.Engine.Internet.SteamServer.EndAuthSession (UInt64 playerId) [0x00000] in <filename unknown>:0
  at CodeHatch.Engine.Networking.CoreServer.RemovePlayer (CodeHatch.Engine.Networking.Player player) [0x00000] in <filename unknown>:0
  at CodeHatch.Engine.Networking.CoreServer.DisconnectAllPlayers () [0x00000] in <filename unknown>:0
  at CodeHatch.Engine.Networking.CoreServer.Shutdown () [0x00000] in <filename unknown>:0
Did not save because the game did not fully load.
Exiting application...

What can i do? I'm gonna upload my serversettings.cfg. Thx.

 

Try to reinstall the server and Oxide.

 

Buy a game and set server then