error message

ArgumentException: Not a local IP address: 35.199.35.69
Parameter name: address
  at WebSocketSharp.Server.WebSocketServer..ctor (System.Net.IPAddress address, Int32 port, Boolean secure) [0x00000
] in <filename unknown>:0
  at Facepunch.Rcon.Listener.Start () [0x00000] in <filename unknown>:0
  at Facepunch.RCon.Initialize () [0x00000] in <filename unknown>:0
  at Bootstrap+<StartServer>c__Iterator2.MoveNext () [0x00000] in <filename unknown>:0
  at UnityEngine.SetupCoroutine.InvokeMoveNext (IEnumerator enumerator, IntPtr returnValueAddress) [0x00000] in <fil
ename unknown>:0
UnityEngine.MonoBehaviour:StartCoroutine_Auto_Internal(IEnumerator)
UnityEngine.MonoBehaviour:StartCoroutine(IEnumerator)
<DedicatedServerStartup>c__Iterator1:MoveNext()
UnityEngine.SetupCoroutine:InvokeMoveNext(IEnumerator, IntPtr)