Version: v1.14.7 (Stable)1/25/2021 9:26:09 PM: Critical error occurred
System.NullReferenceException: Object reference not set to an instance of an object.
   at XSkills.ItemWorkItemPatch.Postfix(ItemWorkItem __instance, EnumHelveWorkableMode& __result, BlockEntityAnvil beAnvil)
   at Vintagestory.GameContent.ItemWorkItem.GetHelveWorkableMode_Patch1(ItemWorkItem this, ItemStack stack, BlockEntityAnvil beAnvil)
   at Vintagestory.GameContent.BlockEntityAnvil.OnHelveHammerHit()
   at Vintagestory.GameContent.Mechanics.BEHelveHammer.get_Angle()
   at Vintagestory.GameContent.HelveHammerRenderer.OnRenderFrame(Single deltaTime, EnumRenderStage stage)
   at Vintagestory.Client.NoObf.ClientEventManager.TriggerRenderStage(EnumRenderStage stage, Single dt)
   at Vintagestory.Client.NoObf.ClientMain.TriggerRenderStage(EnumRenderStage stage, Single dt)
   at Vintagestory.Client.NoObf.ClientMain.MainRenderLoop(Single dt)
   at Vintagestory.Client.NoObf.ClientMain.MainGameLoop(Single deltaTime)
   at _XJ8aPSlEBe0PiHYbVJEdfXv1yjvA._Kgao3H1tkjUV97mMFigKazMDiUo(Single )
   at _QXfAdKxrJ1KaNtwiV64JU2IvnpC._cl7z8c5uEEaIF1fo0XdijiZbRYk(Single )
   at _QXfAdKxrJ1KaNtwiV64JU2IvnpC._peV5mb21IaSJTAYBddj4gA99BDo(Single )
   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 _03wQBzfCnykaMLiRGgbQzrKOcn3._QN2fpVgRVBDOLs27GIkkdMlxeKf(_a9AJZVMB0wcgfRPD19VvLtZCbaX , String[] )
   at _NdjU5BXvKkfOW2d88pNMbEAjE1q._QN2fpVgRVBDOLs27GIkkdMlxeKf(ThreadStart )
-------------------------------
Version: v1.14.7 (Stable)1/25/2021 9:30:06 PM: Critical error occurred
System.NullReferenceException: Object reference not set to an instance of an object.
   at XSkills.ItemWorkItemPatch.Postfix(ItemWorkItem __instance, EnumHelveWorkableMode& __result, BlockEntityAnvil beAnvil)
   at Vintagestory.GameContent.ItemWorkItem.GetHelveWorkableMode_Patch1(ItemWorkItem this, ItemStack stack, BlockEntityAnvil beAnvil)
   at Vintagestory.GameContent.BlockEntityAnvil.OnHelveHammerHit()
   at Vintagestory.GameContent.Mechanics.BEHelveHammer.get_Angle()
   at Vintagestory.GameContent.HelveHammerRenderer.OnRenderFrame(Single deltaTime, EnumRenderStage stage)
   at Vintagestory.Client.NoObf.ClientEventManager.TriggerRenderStage(EnumRenderStage stage, Single dt)
   at Vintagestory.Client.NoObf.ClientMain.TriggerRenderStage(EnumRenderStage stage, Single dt)
   at Vintagestory.Client.NoObf.ClientMain.MainRenderLoop(Single dt)
   at Vintagestory.Client.NoObf.ClientMain.MainGameLoop(Single deltaTime)
   at _XJ8aPSlEBe0PiHYbVJEdfXv1yjvA._Kgao3H1tkjUV97mMFigKazMDiUo(Single )
   at _QXfAdKxrJ1KaNtwiV64JU2IvnpC._cl7z8c5uEEaIF1fo0XdijiZbRYk(Single )
   at _QXfAdKxrJ1KaNtwiV64JU2IvnpC._peV5mb21IaSJTAYBddj4gA99BDo(Single )
   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 _03wQBzfCnykaMLiRGgbQzrKOcn3._QN2fpVgRVBDOLs27GIkkdMlxeKf(_a9AJZVMB0wcgfRPD19VvLtZCbaX , String[] )
   at _NdjU5BXvKkfOW2d88pNMbEAjE1q._QN2fpVgRVBDOLs27GIkkdMlxeKf(ThreadStart )
-------------------------------