Running on 64 bit Windows with 32 GB RAM
Version: v1.10.15 (Stable)10/11/2019 11:04:16 PM: Critical error occurred
System.NullReferenceException: Object reference not set to an instance of an object.
   at Vintagestory.Common.ObjectPhysics.loadBlock(BlockPos pos)
   at Vintagestory.Common.ObjectPhysics.UpdateVelocity(Vec3d pos, Vec3f velocity, IWorldAccessor world, Boolean boyant, Single gravityStrength, Single deltatime, Single height)
   at Vintagestory.Client.NoObf.ParticleFlying.update(Single deltatime, _Kywe2rtuFUKNefner6Ja7O4sulP game, Boolean isThirdTick, Single relLife)
   at Vintagestory.Client.NoObf.ParticlePoolQuads.OnNewFrame(Single dt, Vec3d cameraPos)
   at Vintagestory.Client.NoObf.SystemRenderParticles.Render(ParticlePool pool, Single dt)
   at Vintagestory.Client.NoObf.SystemRenderParticles.OnRenderFrame3D(Single deltaTime)
   at _52eiXq3bb0HnfeJrcolcLIeeGfQA._YlIejMisdwkJaWxTpzt8Sk9O4dj(EnumRenderStage , Single )
   at _Kywe2rtuFUKNefner6Ja7O4sulP._YlIejMisdwkJaWxTpzt8Sk9O4dj(EnumRenderStage , Single )
   at _Kywe2rtuFUKNefner6Ja7O4sulP._BCQbUm5MMfUchRK4oIzeKJ9XW04(Single )
   at _Kywe2rtuFUKNefner6Ja7O4sulP._WHerLLQmocEERh2DjjyowC3juIj(Single )
   at _AnxvyudPzKyDSrMRxrYeu3x8isy._BPfzixGGPIwCZ88Vh73g6flZ9zx(Single )
   at _Tm6RWcgDTktTpXq9MJBUj6rVQNk._ibXtXFNAKxU7Ua6wMf3zFoskg8T(Single )
   at _Tm6RWcgDTktTpXq9MJBUj6rVQNk._fjJFVJqmH9s34oBSILTIxZapU6E(Single )
   at _0d26MqbBOxFdBwiPKK0X53cqEPN._vOglE61KDO7bJXoY7kjUFOFvI3l(Object , FrameEventArgs )
   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 _P1q1CBNHvTy6aQXOqBPQLu7fHQL._SFfbaMiyftzIBjmFbuHvTMMrPj2(_uED34i7YbJBlAbPibpjbruaGDVJ , String[] )
   at _OYiWXfRRFBTB79s7HOfl6Jhd5oC._SFfbaMiyftzIBjmFbuHvTMMrPj2(ThreadStart )
-------------------------------

Event Log, last 3 entries
==================================
{ TimeGenerated = 6/23/2019 3:03:18 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 00007FFA3BBEA839
Stack:
   at System.Environment._Exit(Int32)
   at System.Environment._Exit(Int32)
   at System.Environment.Exit(Int32)
   at _gV2smZ0ZPGQKAM4w85GoXdYnNac._09CncL1d42XKqmddJCPx1318L1A()
   at Vintagestory.API.Client.GuiElementTextButton.OnMouseUpOnElement(Vintagestory.API.Client.ICoreClientAPI, Vintagestory.API.Client.MouseEvent)
   at Vintagestory.API.Client.GuiElement.OnMouseUp(Vintagestory.API.Client.ICoreClientAPI, Vintagestory.API.Client.MouseEvent)
   at Vintagestory.API.Client.GuiElementTextButton.OnMouseUp(Vintagestory.API.Client.ICoreClientAPI, Vintagestory.API.Client.MouseEvent)
   at Vintagestory.API.Client.GuiComposer.OnMouseUp(Vintagestory.API.Client.MouseEvent)
   at _UDZsn6iI9QVSu10v1gjQssZIW2F._g6EebDJLHEyN7CUdVWbHblJh3RZ(Vintagestory.API.Client.MouseEvent)
   at _aI2DWJzipeEnAmQIA3gDL3CVIRvA._mEkA3KwAtldxbNFfs1DCG8cBwIsA(System.Object, OpenTK.Input.MouseButtonEventArgs)
   at System.EventHandler`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].Invoke(System.Object, System.__Canon)
   at System.EventHandler`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].Invoke(System.Object, System.__Canon)
   at OpenTK.Platform.Windows.WinGLNative.WindowProcedure(IntPtr, OpenTK.Platform.Windows.WindowMessage, IntPtr, IntPtr)
   at OpenTK.Platform.Windows.Functions.DispatchMessage(OpenTK.Platform.Windows.MSG ByRef)
   at OpenTK.Platform.Windows.Functions.DispatchMessage(OpenTK.Platform.Windows.MSG ByRef)
   at OpenTK.Platform.Windows.WinGLNative.ProcessEvents()
   at OpenTK.GameWindow.Run(Double, Double)
   at _ERyw1bQJPHueU1bvAGXARzr1XVI._RAmMireSNh4H78Ju1nBMTWnCK6H(_aqEdZKZomRNmdgwv8herwfTK4IE, System.String[])
   at _NTyvMnVtG4HAKqVZFYnxHXOzobc._RAmMireSNh4H78Ju1nBMTWnCK6H(System.Threading.ThreadStart)
   at _ERyw1bQJPHueU1bvAGXARzr1XVI._cOjAMAsYqO4yEqX1yl59FkA0Bfj(System.String[])
 }
{ TimeGenerated = 6/19/2019 6:27:19 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 00007FFE9DE8A839
Stack:
   at System.Environment._Exit(Int32)
   at System.Environment._Exit(Int32)
   at System.Environment.Exit(Int32)
   at _gV2smZ0ZPGQKAM4w85GoXdYnNac._09CncL1d42XKqmddJCPx1318L1A()
   at Vintagestory.API.Client.GuiElementTextButton.OnMouseUpOnElement(Vintagestory.API.Client.ICoreClientAPI, Vintagestory.API.Client.MouseEvent)
   at Vintagestory.API.Client.GuiElement.OnMouseUp(Vintagestory.API.Client.ICoreClientAPI, Vintagestory.API.Client.MouseEvent)
   at Vintagestory.API.Client.GuiElementTextButton.OnMouseUp(Vintagestory.API.Client.ICoreClientAPI, Vintagestory.API.Client.MouseEvent)
   at Vintagestory.API.Client.GuiComposer.OnMouseUp(Vintagestory.API.Client.MouseEvent)
   at _UDZsn6iI9QVSu10v1gjQssZIW2F._g6EebDJLHEyN7CUdVWbHblJh3RZ(Vintagestory.API.Client.MouseEvent)
   at _aI2DWJzipeEnAmQIA3gDL3CVIRvA._mEkA3KwAtldxbNFfs1DCG8cBwIsA(System.Object, OpenTK.Input.MouseButtonEventArgs)
   at System.EventHandler`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].Invoke(System.Object, System.__Canon)
   at System.EventHandler`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].Invoke(System.Object, System.__Canon)
   at OpenTK.Platform.Windows.WinGLNative.WindowProcedure(IntPtr, OpenTK.Platform.Windows.WindowMessage, IntPtr, IntPtr)
   at OpenTK.Platform.Windows.Functions.DispatchMessage(OpenTK.Platform.Windows.MSG ByRef)
   at OpenTK.Platform.Windows.Functions.DispatchMessage(OpenTK.Platform.Windows.MSG ByRef)
   at OpenTK.Platform.Windows.WinGLNative.ProcessEvents()
   at OpenTK.GameWindow.Run(Double, Double)
   at _ERyw1bQJPHueU1bvAGXARzr1XVI._RAmMireSNh4H78Ju1nBMTWnCK6H(_aqEdZKZomRNmdgwv8herwfTK4IE, System.String[])
   at _NTyvMnVtG4HAKqVZFYnxHXOzobc._RAmMireSNh4H78Ju1nBMTWnCK6H(System.Threading.ThreadStart)
   at _ERyw1bQJPHueU1bvAGXARzr1XVI._cOjAMAsYqO4yEqX1yl59FkA0Bfj(System.String[])
 }
{ TimeGenerated = 6/18/2019 3:29:25 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 00007FF87969A839
Stack:
   at System.Environment._Exit(Int32)
   at System.Environment._Exit(Int32)
   at System.Environment.Exit(Int32)
   at _gV2smZ0ZPGQKAM4w85GoXdYnNac._09CncL1d42XKqmddJCPx1318L1A()
   at Vintagestory.API.Client.GuiElementTextButton.OnMouseUpOnElement(Vintagestory.API.Client.ICoreClientAPI, Vintagestory.API.Client.MouseEvent)
   at Vintagestory.API.Client.GuiElement.OnMouseUp(Vintagestory.API.Client.ICoreClientAPI, Vintagestory.API.Client.MouseEvent)
   at Vintagestory.API.Client.GuiElementTextButton.OnMouseUp(Vintagestory.API.Client.ICoreClientAPI, Vintagestory.API.Client.MouseEvent)
   at Vintagestory.API.Client.GuiComposer.OnMouseUp(Vintagestory.API.Client.MouseEvent)
   at _UDZsn6iI9QVSu10v1gjQssZIW2F._g6EebDJLHEyN7CUdVWbHblJh3RZ(Vintagestory.API.Client.MouseEvent)
   at _aI2DWJzipeEnAmQIA3gDL3CVIRvA._mEkA3KwAtldxbNFfs1DCG8cBwIsA(System.Object, OpenTK.Input.MouseButtonEventArgs)
   at System.EventHandler`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].Invoke(System.Object, System.__Canon)
   at System.EventHandler`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].Invoke(System.Object, System.__Canon)
   at OpenTK.Platform.Windows.WinGLNative.WindowProcedure(IntPtr, OpenTK.Platform.Windows.WindowMessage, IntPtr, IntPtr)
   at OpenTK.Platform.Windows.Functions.DispatchMessage(OpenTK.Platform.Windows.MSG ByRef)
   at OpenTK.Platform.Windows.Functions.DispatchMessage(OpenTK.Platform.Windows.MSG ByRef)
   at OpenTK.Platform.Windows.WinGLNative.ProcessEvents()
   at OpenTK.GameWindow.Run(Double, Double)
   at _ERyw1bQJPHueU1bvAGXARzr1XVI._RAmMireSNh4H78Ju1nBMTWnCK6H(_aqEdZKZomRNmdgwv8herwfTK4IE, System.String[])
   at _NTyvMnVtG4HAKqVZFYnxHXOzobc._RAmMireSNh4H78Ju1nBMTWnCK6H(System.Threading.ThreadStart)
   at _ERyw1bQJPHueU1bvAGXARzr1XVI._cOjAMAsYqO4yEqX1yl59FkA0Bfj(System.String[])
 }