Unexpected exception when initializing view part Fragment Matches

Good afternoon,

I read all posts related to the issue I'm currently facing with Studio (Unexpected exception when initializing view part Fragment Matches) and followed each of the steps without positive results. I contacted Trados via email and the recommendation was to request for support and a remote session, please. (EDT time in the US) 

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  • Hi Paul. I will make the list here:

    https://gateway.rws.com/csm?sys_kb_id=a85b26681bcb9a50772c0dcad34bcb0d&id=kb_article_view&sysparm_rank=1&sysparm_tsqueryId=61d3f0df8306ae14396947426daad349

    https://gateway.rws.com/csm?id=kb_article_view&sys_kb_id=c5ca2aa41bcb9a50772c0dcad34bcbe7

    I also got other errors

    This XML file does not appear to have any style information associated with it. The document tree is shown below.
    <SDLErrorDetails time="6/15/2025 9:23:11 AM">
    <ErrorMessage>Key not found: 'xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx' Parameter name: key</ErrorMessage>
    <Exception>
    <Type>System.ArgumentException, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</Type>
    <ParamName>key</ParamName>
    <HelpLink/>
    <Source>Infragistics4.Shared.v22.2</Source>
    <HResult>-2147024809</HResult>
    <StackTrace>
    <![CDATA[ at Infragistics.Shared.KeyedSubObjectsCollectionBase.GetItem(String key) at Infragistics.Win.UltraWinTabControl.UltraTabsCollection.get_Item(String key) at Sdl.Platform.UI.DockingViewContentControl.SetActiveViewPart(IViewPartReference viewPartReference) at Sdl.Desktop.Platform.AbstractDockingView.set_ActiveViewPart(IViewPartReference value) at Sdl.TranslationStudio.Editor.EditorService.FocusActiveDocument() at Sdl.TranslationStudio.Editor.EditorService.OpenImpl(IDocumentDescriptor[] descriptors, IAbstractEditor[] editors, IEditorConfiguration[] configurations) at Sdl.TranslationStudio.Editor.EditorService.OpenTranslatableFiles(ITranslatableFile[] translatableFiles, WorkflowStage[] stages) at Sdl.TranslationStudio.Common.Files.TranslatableFileOpener.OpenTranslatableFiles(IEditorService service, IList`1 files, Nullable`1 workflowStage) at Sdl.TranslationStudio.Common.Files.FileListControl.OpenFilesInEditor(List`1 filesToOpenInEditor, Boolean controlKeyPressed, ITranslatableFileOpener translatableFileOpener) at Sdl.TranslationStudio.Common.Files.FileListControl.OpenFiles(IStudioWindow window, IProjectManagementService projectManagementService, Boolean controlKeyPressed, ITranslatableTasksHandler tasksHandler, IEventAggregator aggregator, IOpenFilesValidator openFileValidator, IManualTasksSelector manaualTasksSelector, ITranslatableFileOpener translatableFileOpener) at Sdl.TranslationStudio.Common.Files.FileListControl.HandleDefaultAction(Object sender, EventArgs e) at Sdl.TranslationStudio.Common.Files.FileListControl.ListDefaultAction(Object sender, EventArgs e) at Sdl.Platform.UI.DataListControl.DataList.OnDefaultAction(EventArgs e) at Sdl.Platform.UI.DataListControl.DataList.BodyControl.OnDoubleClick(EventArgs e) 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.ContainerControl.WndProc(Message& m) at System.Windows.Forms.UserControl.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) ]]>
    </StackTrace>
    </Exception>
    <Environment>
    <ProductName>Trados Studio</ProductName>
    <ProductVersion>Studio17</ProductVersion>
    <EntryAssemblyFileVersion>17.2.12.19268</EntryAssemblyFileVersion>
    <OperatingSystem>Microsoft Windows 11 Home</OperatingSystem>
    <ServicePack>NULL</ServicePack>
    <OperatingSystemLanguage>1033</OperatingSystemLanguage>
    <CodePage>1252</CodePage>
    <LoggedOnUser>JRM\jrmod</LoggedOnUser>
    <DotNetFrameWork>4.0.30319.42000</DotNetFrameWork>
    <ComputerName>JRM</ComputerName>
    <ConnectedToNetwork>True</ConnectedToNetwork>
    <PhysicalMemory>16086964 MB</PhysicalMemory>
    </Environment>
    </SDLErrorDetails>
  •  

    I suggest you reset first.  

    To do this just close Trados Studio and then delete these folders:

    %appdata%\Trados\Trados Studio\Studio17\

    %appdata%\Trados\Trados Studio\17\

    You will lose your plugins, and also your settings, but your projects and other resources will remain untouched. Putting the plugins back is trivial via the integrated appstore.

    If you can't find these folders then you need to unhide your hidden files/folders:

    www.howtogeek.com/.../

    Then restart Trados Studio and see if that helped.

    Paul Filkin | RWS Group

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