JUSTANOTHERIP:PORT/VALIDSTEAMID/McPlayernameHidden disconnecting: Exception (cs:67564): NullReferenceException: Object reference not set to an instance of an object. JSON.Object.GetString (System.String key, System.String strDEFAULT) (at <00000000000000000000000000000000>:0) CommunityEntity.CreateComponents (UnityEngine.GameObject go, JSON.Object obj) (at <00000000000000000000000000000000>:0) CommunityEntity.AddUI (BaseEntity+RPCMessage msg) (at <00000000000000000000000000000000>:0) CommunityEntity.OnRpcMessage (BasePlayer player, System.UInt32 rpc, Network.Message msg) (at <00000000000000000000000000000000>:0) BaseEntity.CL_RPCMessage (System.UInt32 nameID, System.UInt64 sourceConnection, Network.Message message) (at <00000000000000000000000000000000>:0) Client.OnRPCMessage (Network.Message packet) (at <00000000000000000000000000000000>:0) Client.OnNetworkMessage (Network.Message packet) (at <00000000000000000000000000000000>:0) Facepunch.Network.Raknet.Client.HandleMessage () (at <00000000000000000000000000000000>:0) Facepunch.Network.Raknet.Client.Cycle () (at <00000000000000000000000000000000>:0) Client.Update () (at <00000000000000000000000000000000>:0) UnityEngine.Debug:LogException(Exception) CommunityEntity:OnRpcMessage(BasePlayer, UInt32, Message) BaseEntity:CL_RPCMessage(UInt32, UInt64, Message) Client:OnRPCMessage(Message) Client:OnNetworkMessage(Message)

Sometimes in gameplay, sometimes on connect.

You appear to have a plugin sending invalid UI.

So it's a plugin that sends UI information?

Hmm...

same problem for some players. Anyone have any idea of the plugin that could cause the error.

I had a custom UI in my edited and hacked up version of DiscordCore. That may have been it. Not sure. Will update.

Please list the plugins you have installed and if you are using Rust Server Manager.  I am having the same issue and am losing population.