Why cant I open up two servers?

[Bablord]

I am trying to run caves and a overworld server, the overworld seems to be fine but when I try to open up the caves I get this

 

 

[00:00:00]: Starting Up
[00:00:00]: Version: 150506
[00:00:00]: Current time: Sun Sep 20 08:41:38 2015

[00:00:00]: Don't Starve Together: 150506 WIN32
NNN Build Date: 2015-09-18_16-33-33
[00:00:00]: Parsing command line
[00:00:00]: Command Line Arguments: -conf_dir DST_Cave
[00:00:00]: Initializing Minidump handler
[00:00:00]: ....Done
[00:00:00]: Fixing DPI
[00:00:00]: ...Done
[00:00:00]: THREAD - started 'GAClient' (4828)
[00:00:00]: HttpClient2::ClientThread::Main()
[00:00:00]: ProfileIndex:9.33
[00:00:00]: Network tick rate: U=15(2), D=0
[00:00:00]: Network tick rate: U=15(2), D=0
[00:00:00]: Authorized application C:\Program Files (x86)\Steam\SteamApps\common\Don't Starve Together Dedicated Server\bin\dontstarve_dedicated_server_nullrenderer.exe is enabled in the firewall.
[00:00:00]: WindowsFirewall - Application already authorized
[00:00:00]: OnLoadPermissionList: APP:Klei/DST_Cave/save/blocklist.txt (Failure)
[00:00:00]: OnLoadPermissionList: APP:Klei/DST_Cave/save/adminlist.txt (Failure)
[00:00:00]: OnLoadUserIdList: APP:Klei/DST_Cave/save/whitelist.txt (Failure)
[00:00:00]: Server token retrieved from: server_token.txt
[00:00:00]: cGame::InitializeOnMainThread
[00:00:00]: Renderer initialize: Okay
[00:00:00]: AnimManager initialize: Okay
[00:00:00]: Buffers initialize: Okay
[00:00:00]: cDontStarveGame::DoGameSpecificInitialize()
[00:00:00]: FMOD Error: An invalid object handle was used.
[00:00:00]: GameSpecific initialize: Okay
[00:00:00]: cGame::StartPlaying
[00:00:00]: LOADING LUA
[00:00:00]: DoLuaFile scripts/main.lua
[00:00:00]: DoLuaFile loading buffer scripts/main.lua
[00:00:00]: scripts/main.lua(170,1) running main.lua
    
[00:00:00]: loaded modindex    
[00:00:00]: ModIndex: Beginning normal load sequence for dedicated server.
    
[00:00:00]: DownloadMods(0)
[00:00:00]: FMOD Error: An invalid object handle was used.
[00:00:00]: LOADING LUA SUCCESS
[00:00:00]: PlayerDeaths could not load morgue    
[00:00:00]: PlayerHistory could not load player_history_staging    
[00:00:00]: loaded profile    
[00:00:00]: bloom_enabled    false    
[00:00:00]: loaded saveindex    
[00:00:00]: OnFilesLoaded()    
[00:00:00]: OnUpdatePurchaseStateComplete    
[00:00:00]:     Load FE    
[00:00:01]:     Load FE: done    
[00:00:01]: ModIndex: Load sequence finished successfully.    
[00:00:01]: Reset() returning
[00:00:02]: [200] Account Communication Success (6)
[00:00:13]: [ACCOUNT_ACTION_TOKEN_PURPOSE] Received UserId from TokenPurpose: KU_OhS-n5CH
[00:00:13]: Starting Dedicated Server Game    
[00:00:13]: Network tick rate: U=15(2), D=0
[00:00:13]: [Warning] Could not confirm port 10999 is open in the firewall.
[00:00:13]: Shard server mode disabled: missing shard_enable setting.
[00:00:13]: [Error] Server failed to start!
[00:00:13]: Unhandled exception during server startup: RakNet UDP startup failed: SOCKET_PORT_ALREADY_IN_USE (5)
[00:00:13]: PushNetworkDisconnectEvent With Reason: "ID_DST_INITIALIZATION_FAILED", reset: false
[00:00:13]: Details: SOCKET_PORT_ALREADY_IN_USE
 

[ToNiO55]

@Bablord,

 

[00:00:13]: Unhandled exception during server startup: RakNet UDP startup failed: SOCKET_PORT_ALREADY_IN_USE (5)
[00:00:13]: PushNetworkDisconnectEvent With Reason: "ID_DST_INITIALIZATION_FAILED", reset: false
[00:00:13]: Details: SOCKET_PORT_ALREADY_IN_USE

 

port 10999 is already used on your server, try with other port