An error has occurred.

I got an error why trying to go to edit mode while in an internet cafe.

System.ArgumentException: Requested value '//Background and Video events' was not found.
at System.Enum.Parse(Type enumType, String value, Boolean ignoreCase)
at osu.Gameplay_Elements.HitObjectManager.LoadFile()
at osu.Game_Modes.Editor.LoadFile(Boolean warn)
at osu.Game_Modes.Editor.Initialize()
at Microsoft.Xna.Framework.Game.GameComponentAdded(Object sender, GameComponentCollectionEventArgs e)
at Microsoft.Xna.Framework.GameComponentCollection.OnComponentAdded(GameComponentCollectionEventArgs eventArgs)
at Microsoft.Xna.Framework.GameComponentCollection.InsertItem(Int32 index, IGameComponent item)
at System.Collections.ObjectModel.Collection`1.Add(T item)
at osu.GameBase.ChangeModeCallback(Object sender, EventArgs e)
at osu.GameBase.Update(GameTime gameTime)
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.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(Int32 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.Run()
at osu.Program.Main()

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