ptman.exe exceptions on long run tunnel sessions

[Nulleye]

On Windows 10, latest, on relatively long run tunnel sessions I'm always getting this, and the program shuts down, conhost processes left running though.

unhandled error from Name:ptman.exe
There are no context policies.

JoeriBekker.PuttyTunnelManager.CurruptedSessionException: Exception of type 'JoeriBekker.PuttyTunnelManager.CurruptedSessionException' was thrown.
   at JoeriBekker.PuttyTunnelManager.PuttyLink.Start(Boolean interactive)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Threading.ThreadHelper.ThreadStart()