Value cannot be null.

Parameter name: path
   at System.IO.StreamReader..ctor(String path, Encoding encoding, Boolean detectEncodingFromByteOrderMarks, Int32 bufferSize)

   at System.IO.StreamReader..ctor(String path)

   at Mo.UISys.LoadSpecs(String fname)

   at Og1.OG1.<>c__DisplayClassd5.<BuildUI>b__d2()

   at Mo.Momo.LogTiming(String text, Action action)

   at Og1.OG1.BuildUI()

   at Og1.OG1.<Initialize>b__b6()

   at Mo.Momo.LogTiming(String text, Action action)

   at Og1.OG1.Initialize()

   at Mo.Momo.LoadContent(GraphicsDevice device, ContentManager content)

   at Mo.MomoXNAGame.Draw(GameTime gameTime)

   at Microsoft.Xna.Framework.Game.DrawFrame()

   at Microsoft.Xna.Framework.Game.Tick()

   at Microsoft.Xna.Framework.Game.HostIdle(Object sender, EventArgs e)

   at Microsoft.Xna.Framework.GameHost.OnIdle()

   at Microsoft.Xna.Framework.WindowsGameHost.RunOneFrame()

   at Microsoft.Xna.Framework.WindowsGameHost.ApplicationIdle(Object sender, EventArgs e)

   at System.Windows.Forms.Application.ThreadContext.System.Windows.Forms.UnsafeNativeMethods.IMsoComponent.FDoIdle(Int32 grfidlef)

   at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(IntPtr dwComponentID, Int32 reason, Int32 pvLoopData)

   at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)

   at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)

   at System.Windows.Forms.Application.Run(Form mainForm)

   at Microsoft.Xna.Framework.WindowsGameHost.Run()

   at Microsoft.Xna.Framework.Game.RunGame(Boolean useBlockingRun)

   at Mo.Momo.RunGame(Action ClientInitializePreMomo, Action ClientShutdown)