(22:00:28) | 605.926.1953.1911:571265/700000000000000009/TheDude disconnecting: Exception (cs:68707): NullReferenceException: Object reference not set to an instance of an object. BaseNetworkable.OnNetworkGroupChange () (at <00000000000000000000000000000000>:0) Network.Networkable.SwitchGroup (Network.Visibility.Group newGroup) (at <00000000000000000000000000000000>:0) Client.OnGroupChange (Network.Message msg) (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) Facepunch.Network.Raknet.Client:HandleMessage() Facepunch.Network.Raknet.Client:Cycle() Client:Update()

I get this with ONE player.

Merged post

And he only get the error on my server.

While arseing around with a test plugin I crashed my rust. Like, it took the whole OS down with it bad. After that I had the same error as my player. I fixed it. I totally uninstalled Steam. Then removed and residual files. Then re-installed Steam and redownloaded Rust. Error fixed. What a bum pain.

The problem is that I use a host and change the host and the error persists. I did the new host from 0 with everything clean and I was putting the plugins and configuring 1 by 1

Yeah, I rebuilt my whole server to try fix this. It didn't work, so I know the issue has to be clientside. And when my client finally did it, I ended up having to scrub my HDD clean of all Steam and Rust and re-install both. THEN the problem went away. But it's a right pain in the plums to do that, and even harder to get a player to.