Crashed: Diff in "Setup Files" view made a crash

In a working project having files and folders hirarchy, from Main menu: "View --> Setup --> Files", would open "Setup File" view showing the existing Folders and Files hirarchy.

Right click on a folder and click "Diff".. And this made the crash:

SharpDevelop Version : 4.4.0.9722-1cfe96d5

.NET Version : 4.0.30319.18052

OS Version : Microsoft Windows NT 6.1.7601 Service Pack 1

Current culture : English (United States) (en-US)

Running under WOW6432, processor architecture: x86-64

Working Set Memory : 176952kb

GC Heap Memory : 30143kb

Exception thrown:

System.IO.DirectoryNotFoundException: Could not find a part of the path 'c:\users\fwaheed\documents\sharpdevelop projects\va\va\va_out_bins\file'.

at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)

at System.IO.FileSystemEnumerableIterator`1.CommonInit()

at System.IO.FileSystemEnumerableIterator`1..ctor(String path, String originalUserPath, String searchPattern, SearchOption searchOption, SearchResultHandler`1 resultHandler, Boolean checkHost)

at System.IO.Directory.GetDirectories(String path)

at ICSharpCode.WixBinding.DirectoryReader.GetDirectories(String path)

at ICSharpCode.WixBinding.WixPackageFilesDiff.GetNewDirectories()

at ICSharpCode.WixBinding.WixPackageFilesDiff.Compare(WixDirectoryElementBase directoryElement)

at ICSharpCode.WixBinding.WixPackageFilesEditor.CalculateDiff()

at ICSharpCode.WixBinding.WixPackageFilesControl.CalculateDiff()

at ICSharpCode.WixBinding.ShowDiffCommand.Run(PackageFilesView view)

at ICSharpCode.WixBinding.AbstractActivePackageFilesViewCommand.Run()

at ICSharpCode.Core.WinForms.MenuCommand.OnClick(EventArgs e)

at System.Windows.Forms.ToolStripItem.HandleClick(EventArgs e)

at System.Windows.Forms.ToolStripItem.HandleMouseUp(MouseEventArgs e)

at System.Windows.Forms.ToolStripItem.FireEventInteractive(EventArgs e, ToolStripItemEventType met)

at System.Windows.Forms.ToolStripItem.FireEvent(EventArgs e, ToolStripItemEventType met)

at System.Windows.Forms.ToolStrip.OnMouseUp(MouseEventArgs mea)

at System.Windows.Forms.ToolStripDropDown.OnMouseUp(MouseEventArgs mea)

at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)

at System.Windows.Forms.Control.WndProc(Message& m)

at System.Windows.Forms.ScrollableControl.WndProc(Message& m)

at System.Windows.Forms.ToolStrip.WndProc(Message& m)

at System.Windows.Forms.ToolStripDropDown.WndProc(Message& m)

at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)

at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)

at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

---- Recent log messages:

12:28:30.180 [1] DEBUG - OpenedFileClosed: C:\Users\fwaheed\Documents\SharpDevelop Projects\VA\VA\Volume Attributes 1.0.0.wxs

12:28:30.198 [1] DEBUG - FormsDesigner unloading, setting ActiveDesignSurface to null

12:28:46.080 [1] DEBUG - ActiveContentChanged to ICSharpCode.WixBinding.PackageFilesView

12:28:46.080 [1] DEBUG - ActiveWorkbenchWindowChanged to [AvalonWorkbenchWindow: Setup Files]

12:28:46.080 [1] DEBUG - NavigationService

ActiveViewContent: Setup Files

Subview: TabPageText

12:28:46.080 [1] DEBUG - ActiveViewContentChanged to ICSharpCode.WixBinding.PackageFilesView

12:28:57.963 [1] DEBUG - Activated feature 'ICSharpCode.WixBinding.HideDiffCommand', activation=Menu

12:29:02.172 [1] DEBUG - Activated feature 'ICSharpCode.WixBinding.ShowDiffCommand', activation=Menu

12:29:02.173 [1] ERROR - ThreadException caught

--> Exception: