ReSharper 3.0 Version=3.0.471.2, Edition=Csharp, Built=2007-06-29T12:53:38, Configuration=ReSharper_AddIn, VsVersion=8.0 JetBrains.Util.InternalErrorException: anchor.IsValid() at JetBrains.Util.InternalErrorException..ctor(String, Exception) in c:\Agent\work\Server\ReSharper-3.0\Platform\src\JetBrains.Util\src\InternalErrorException.cs:line 27 column 7 at JetBrains.Util.Logger.Fail(String) in c:\Agent\work\Server\ReSharper-3.0\Platform\src\JetBrains.Util\src\Logger\Logger.cs:line 135 column 5 at JetBrains.Util.Logger.Assert(Boolean, String) in c:\Agent\work\Server\ReSharper-3.0\Platform\src\JetBrains.Util\src\Logger\Logger.cs:line 110 column 3 at JetBrains.ReSharper.Psi.ExtensionsAPI.LowLevelModificationUtil.AddChildBefore(ITreeNode, ITreeNode[]) in c:\Agent\work\Server\ReSharper-3.0\src\Psi\src\ExtensionsAPI\LowLevelModificationUtil.cs:line 82 column 7 at JetBrains.ReSharper.Psi.ExtensionsAPI.Tree.ModificationUtil.AddChildRangeBefore(ITreeNode, ITreeRange) in c:\Agent\work\Server\ReSharper-3.0\src\Psi\src\ExtensionsAPI\ModificationUtil.cs:line 127 column 11 at JetBrains.ReSharper.Psi.CSharp.Impl.Tree.CSharpFile.AddDeclarationsRangeBefore(IDeclarationsRange, IElement) in c:\Agent\work\Server\ReSharper-3.0\src\Psi.CSharp\src\Impl\Tree\CSharpFile.cs:line 139 column 11 at JetBrains.ReSharper.CodeInsight.Services.CSharp.CSharpFileStructureBuilder.EncloseInRegionHandler(Object[]) in c:\Agent\work\Server\ReSharper-3.0\src\CodeInsight.Services.CSharp\src\CSharpFileStructureBuilder.cs:line 648 column 11 at JetBrains.ReSharper.Psi.Impl.PsiManagerImpl.PsiManagerImpl.DoTransaction(TransactionHandler, Object[]) in c:\Agent\work\Server\ReSharper-3.0\src\Psi\src\impl\PsiManager\PsiManagerImpl.cs:line 342 column 9 at JetBrains.ReSharper.CodeInsight.Services.CSharp.CSharpFileStructureBuilder.EncloseInRegion(FileStructureItem[]) in c:\Agent\work\Server\ReSharper-3.0\src\CodeInsight.Services.CSharp\src\CSharpFileStructureBuilder.cs:line 588 column 9 at JetBrains.ReSharper.FileStructureView.FileStructureEnRegionAction.Execute(IDataContext, DelegateExecute) in c:\Agent\work\Server\ReSharper-3.0\src\FileStructureView\src\FileStructureViewActions.cs:line 111 column 11 at JetBrains.ActionManagement.ExecutableAction.Execute(IDataContext) in c:\Agent\work\Server\ReSharper-3.0\Platform\src\JetBrains.UI\src\ActionSystem\Action\ExecutableAction.cs:line 30 column 13 at JetBrains.ActionManagement.ActionStripButton.OnClick(EventArgs) in c:\Agent\work\Server\ReSharper-3.0\Platform\src\JetBrains.UI\src\ActionSystem\ActionBar\ActionStripButton.cs:line 55 column 5 at System.Windows.Forms.ToolStripItem.HandleClick(EventArgs) at System.Windows.Forms.ToolStripItem.HandleMouseUp(MouseEventArgs) at System.Windows.Forms.ToolStripItem.FireEventInteractive(EventArgs, ToolStripItemEventType) at System.Windows.Forms.ToolStripItem.FireEvent(EventArgs, ToolStripItemEventType) at System.Windows.Forms.ToolStrip.OnMouseUp(MouseEventArgs) at System.Windows.Forms.Control.WmMouseUp(Message&, MouseButtons, Int32) at System.Windows.Forms.Control.WndProc(Message&) at System.Windows.Forms.ScrollableControl.WndProc(Message&) at System.Windows.Forms.ToolStrip.WndProc(Message&) at JetBrains.CommonControls.ToolStripEx.WndProc(Message&) in c:\Agent\work\Server\ReSharper-3.0\Platform\src\JetBrains.UI\src\CommonControls\Controls\StripEx\ToolStripEx.cs:line 38 column 7 at System.Windows.Forms.ControlNativeWindow.OnMessage(Message&) at System.Windows.Forms.ControlNativeWindow.WndProc(Message&) at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr, Int32, IntPtr, IntPtr) at JetBrains.Util.Logger.Fail(String messageText) in c:\Agent\work\Server\ReSharper-3.0\Platform\src\JetBrains.Util\src\Logger\Logger.cs:line 135