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Trados 2024 18.0.2.3255 Error Message - Unexpected exception when initializing view part AI assistant

Sarina Granzow

Hi,

I've been running Trados for years, Trados 2024 since the start of the year. I now get the following error message(s) when I try to open a project:

Error dialog box with a red cross icon, titled 'Fehler', displaying the message 'Unexpected exception when initializing view part AI Assistant'.

Once I press okay to that one, the following appears:

Error dialog box with a red cross icon, titled 'Fehler', displaying the message 'Key not found: 'xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx' Parametername: key'.

The project(s) appear in the project list, but the errors come up when I try to load them.

I also already tried to restart the computer. I've deinstalled, then reinstalled Trados 2024, but nothing seems to work.

Has anyone encountered the same issue, and found a solution?

Sarina

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[edited by: RWS Community AI at 10:31 AM (GMT 0) on 21 Mar 2025]
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    More info on the error code:

    <SDLErrorDetails time="21.03.2025 16:02:49">
      <ErrorMessage>Unexpected exception when initializing view part AI Assistant</ErrorMessage>
      <Exception>
        <Type>Sdl.Desktop.Platform.StudioException, Sdl.Desktop.Platform, Version=18.0.0.0, Culture=neutral, PublicKeyToken=c28cdb26c445c888</Type>
        <HelpLink />
        <Source>Sdl.Desktop.Platform</Source>
        <HResult>-2146233088</HResult>
        <StackTrace><![CDATA[   bei Sdl.Desktop.Platform.AbstractDockingView.EnsureViewPartSite(IViewPart viewPart)
       bei Sdl.Desktop.Platform.AbstractDockingView.Control_ShowingViewPart(IViewWithParts view, IViewPart viewPart)
       bei Sdl.Platform.UI.ViewControlBase.OnShowingViewPart(IViewPart viewPart)
       bei Sdl.Platform.UI.ViewControlBase.EnsureDockedViewPartControl(DockableControlPane pane)
       bei Sdl.Platform.UI.ViewControlBase.Init(IViewWithParts view)
       bei Sdl.Platform.UI.TabbedViewControl.Init(IViewWithParts view)
       bei Sdl.Desktop.Platform.AbstractDockingView.GetContentControl()
       bei Sdl.Platform.UI.ViewPane.SetView(IView view)
       bei Sdl.Platform.UI.StudioWindowForm.UpdateActiveView()
       bei Sdl.Desktop.Platform.Implementation.StudioWindow.set_ActiveView(IView value)
       bei Sdl.TranslationStudio.Common.Helpers.ViewSwitcher.SwitchToEditorView()
       bei Sdl.TranslationStudio.Editor.EditorView.AddDocumentViewPart(IViewPart documentViewPart)
       bei Sdl.TranslationStudio.Editor.Shared.InternalEditorContext.AddDocumentViewPart(IDocumentViewPart documentViewPart)
       bei Sdl.TranslationStudio.Api.Editor.AbstractInternalDocument.AfterLoad(IJob job)]]></StackTrace>
        <InnerException>
          <Type>System.NullReferenceException, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</Type>
          <HelpLink />
          <Source>OpenAI.Provider</Source>
          <HResult>-2147467261</HResult>
          <StackTrace><![CDATA[   bei OpenAI.Provider.ViewModel.TranslationViewModel..ctor(TranslationView view, EditorController editorController, IAIProvider iaProvider, AIProviderSettings settings, CustomerExperienceSettings customerExperienceSettings, SegmentVisitor segmentVisitor, SegmentBuilder segmentBuilder, Comparer comparer, TerminologyProvider terminologyProvider, VisualTagTypesProvider visualTagTypesProvider, PathInfo pathInfo)
       bei OpenAI.Provider.AIAssistantEditorController.Initialize()
       bei Sdl.Desktop.IntegrationApi.AbstractViewPartController.Sdl.Desktop.IntegrationApi.Internal.IViewPartController.Initialize()
       bei Sdl.Desktop.IntegrationApi.Internal.Adaptors.InternalViewPartAdaptor.OnInit(ISettingsGroup settings)
       bei Sdl.Desktop.Platform.AbstractViewPart.Init(IStudioWindow studioWindow, IServiceContext viewSeviceContext, ISettingsGroup settings, IViewWithParts view, IInternalUIFactory internalUIFactory)
       bei Sdl.Desktop.Platform.AbstractDockingView.EnsureViewPartSite(IViewPart viewPart)]]></StackTrace>
        </InnerException>
      </Exception>
      <Environment>
        <ProductName>Trados Studio</ProductName>
        <ProductVersion>Studio18</ProductVersion>
        <EntryAssemblyFileVersion>18.0.2.3255</EntryAssemblyFileVersion>
        <OperatingSystem>Microsoft Windows 11 Pro</OperatingSystem>
        <ServicePack>NULL</ServicePack>
        <OperatingSystemLanguage>1031</OperatingSystemLanguage>
        <CodePage>1252</CodePage>
        <LoggedOnUser>DESKTOP-A50BNV5\Pegasus Linguistics</LoggedOnUser>
        <DotNetFrameWork>4.0.30319.42000</DotNetFrameWork>
        <ComputerName>DESKTOP-A50BNV5</ComputerName>
        <ConnectedToNetwork>True</ConnectedToNetwork>
        <PhysicalMemory>33270564 MB</PhysicalMemory>
      </Environment>
    </SDLErrorDetails>
  • +1 in reply to Sarina Granzow

    With the help of my husband, we managed to get it working again by deleting some settings files in the AppData folder.
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