Running on 64 bit Windows with 16 GB RAM 
Version: v1.14.5 (Stable)1/10/2021 4:21:50 PM: Critical error occurred
System.NullReferenceException: Object reference not set to an instance of an object.
   at TeleportationNetwork.GuiDialogTeleport.OnMouseMove(MouseEvent args)
   at Vintagestory.Client.NoObf.GuiManager.OnMouseMove(MouseEvent args)
   at Vintagestory.Client.NoObf.ClientMain.OnMouseMove(MouseEvent args)
   at Vintagestory.Client.NoObf.ClientPlatformWindows.UpdateMousePosition()
   at Vintagestory.Client.NoObf.ClientPlatformWindows.window_RenderFrame(Object sender, FrameEventArgs e)
   at System.EventHandler`1.Invoke(Object sender, TEventArgs e)
   at OpenTK.GameWindow.RaiseRenderFrame(Double elapsed, Double& timestamp)
   at OpenTK.GameWindow.DispatchRenderFrame()
   at OpenTK.GameWindow.Run(Double updates_per_second, Double frames_per_second)
   at _4eRDDOqtbaPbgjN2dJ1zzD1FCRy._ExJp6VhLWG4xQoHsVn72tgyNbeG(_bWl72q5sGuTQypu8W8r7cRXUcRF , String[] )
   at _XKAWv6MyciUiZmECUonQCwPaCwE._ExJp6VhLWG4xQoHsVn72tgyNbeG(ThreadStart )
-------------------------------

Event Log, last 3 entries
==================================
{ TimeGenerated = 1/7/2021 8:14:38 PM, Site = , Source = .NET Runtime, Message = Application: Vintagestory.exe
Framework Version: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info: exception code c0020001, exception address 00007FFD45893B29
Stack:
 }
{ TimeGenerated = 1/7/2021 3:00:29 PM, Site = , Source = .NET Runtime, Message = Application: Vintagestory.exe
Framework Version: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info: exception code c0020001, exception address 00007FFD45893B29
Stack:
 }
{ TimeGenerated = 1/5/2021 10:56:09 PM, Site = , Source = .NET Runtime, Message = Application: Vintagestory.exe
Framework Version: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info: exception code c0020001, exception address 00007FFC64D83B29
Stack: