I was editing a file in Studio 2014 and got the following error message, which has hung up Studio entirely - I can't even close it and start up again! Can anyone help me out? Am racing a deadline for today :(

<?xml version="1.0"?>

-<SDLErrorDetails time="12.09.2016 07:31:31">

<ErrorMessage>Der Objektverweis wurde nicht auf eine Objektinstanz festgelegt.</ErrorMessage>

-<Exception>

<Type>System.NullReferenceException, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</Type>

<HelpLink/>

<Source>Sdl.TranslationStudio.Editor</Source>

<HResult>-2147467261</HResult>

-<StackTrace>

<![CDATA[ bei Sdl.TranslationStudio.Editor.TranslationEditor.TranslatableDocumentOutlineNode.Goto(Boolean focus) bei Sdl.TranslationStudio.Editor.EditorViewExplorerBarControl.SelectOutlineNodeInDocument(UltraTreeNode node, Boolean transferFocus) bei Sdl.TranslationStudio.Editor.EditorViewExplorerBarControl.GotoSelectedNode(Boolean focusEditControl) bei Sdl.TranslationStudio.Editor.EditorViewExplorerBarControl._tree_DoubleClick(Object sender, EventArgs e) bei System.Windows.Forms.Control.OnDoubleClick(EventArgs e) bei Infragistics.Win.UltraControlBase.OnDoubleClick(EventArgs e) bei System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks) bei System.Windows.Forms.Control.WndProc(Message& m) bei System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) bei System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) bei System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)]]>

</StackTrace>

</Exception>

-<Environment>

<ProductName>SDL Trados Studio</ProductName>

<ProductVersion>11.0.0.0</ProductVersion>

<EntryAssemblyFileVersion>11.2.4435.12</EntryAssemblyFileVersion>

<OperatingSystem>Microsoft Windows 7 Home Premium </OperatingSystem>

<ServicePack>Service Pack 1</ServicePack>

<OperatingSystemLanguage>1031</OperatingSystemLanguage>

<CodePage>1252</CodePage>

<LoggedOnUser>user-HP\user</LoggedOnUser>

<DotNetFrameWork>4.0.30319.34209</DotNetFrameWork>

<ComputerName>USER-HP</ComputerName>

<ConnectedToNetwork>True</ConnectedToNetwork>

<PhysicalMemory>1682336 MB</PhysicalMemory>

</Environment>

</SDLErrorDetails>

Many thanks in advance!