Excel HTML preview: Index was outside the bounds of the array

I have a small Excel file. When I try to display the HTML preview, I get this error message:

<SDLErrorDetails time="12/02/2021 13:48:37">
  <ErrorMessage>Index was outside the bounds of the array.</ErrorMessage>
  <Exception>
    <Type>System.IndexOutOfRangeException, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</Type>
    <HelpLink />
    <Source>Sdl.FileTypeSupport.Filters.PreviewCommon</Source>
    <HResult>-2146233080</HResult>
    <StackTrace><![CDATA[   at Sdl.FileTypeSupport.Filters.PreviewCommon.ImplementationHelpers.CharacterSequenceTranscoder.Decode(String input)
   at Sdl.FileTypeSupport.Filters.MicrosoftOffice.Preview.Excel.Html.Annotation.XlsxAnnotationTranscoder.Decode(String annotation)
   at Sdl.FileTypeSupport.Filters.PreviewCommon.ImplementationHelpers.HtmlTweaking.AnnotationToDummyNodeConverter.SplitOnAnnotations(String text, HtmlDocument owner)
   at Sdl.FileTypeSupport.Filters.PreviewCommon.ImplementationHelpers.HtmlTweaking.AnnotationToDummyNodeConverter.Convert(HtmlNode node, HtmlDocument ownerDocument)
   at Sdl.FileTypeSupport.Filters.PreviewCommon.ImplementationHelpers.HtmlTweaking.AnnotationToDummyNodeConverter.Convert(HtmlNode node, HtmlDocument ownerDocument)
   at Sdl.FileTypeSupport.Filters.PreviewCommon.ImplementationHelpers.HtmlTweaking.AnnotationToDummyNodeConverter.Convert(HtmlNode node, HtmlDocument ownerDocument)
   at Sdl.FileTypeSupport.Filters.PreviewCommon.ImplementationHelpers.HtmlTweaking.AnnotationToDummyNodeConverter.Convert(HtmlNode node, HtmlDocument ownerDocument)
   at Sdl.FileTypeSupport.Filters.MicrosoftOffice.Preview.Excel.Html.XlsxHtmlPreviewTweaker.MarkSegments(HtmlNode body)
   at Sdl.FileTypeSupport.Filters.MicrosoftOffice.Preview.Excel.Html.XlsxHtmlPreviewTweaker.AlterHtmlDataObjModel(HtmlDocument document)
   at Sdl.FileTypeSupport.Filters.MicrosoftOffice.Preview.Excel.Html.XlsxToHtmlConverter.WriteSheets(String folder, List`1 sheets, StreamWriter writer)
   at Sdl.FileTypeSupport.Filters.MicrosoftOffice.Preview.Excel.Html.XlsxToHtmlConverter.PackIntoSinglePreviewFile(String folder, String targetHtmlPath)
   at Sdl.FileTypeSupport.Filters.MicrosoftOffice.Preview.Excel.Html.XlsxToHtmlConverter.Convert(String xlsxInputFilePath, String outputHtmlFilePath, Boolean showComments)
   at Sdl.FileTypeSupport.Filters.MicrosoftOffice.XlsxFileTypePreviewComponent.Transform(String inputFilePath, String outputFilePath)
   at Sdl.FileTypeSupport.Filters.MicrosoftOffice.Preview.Excel.Html.XlsxBilingualApiHtmlPreviewPostTweaker.Tweak(INativeOutputFileProperties outputFileProperties)
   at Sdl.FileTypeSupport.Framework.Core.Utilities.NativeApi.AbstractFilePostTweaker.TweakFilePostWriting(INativeOutputFileProperties outputFileProperties)
   at Sdl.FileTypeSupport.Framework.Integration.FileGenerator.ExecuteTweakers(PostGenerationMessageReporterAdapter messageAdapter)
   at Sdl.FileTypeSupport.Framework.Integration.FileGenerator.RunPostWritingOperations()
   at Sdl.FileTypeSupport.Framework.Integration.FileGenerator.FileComplete()
   at Sdl.FileTypeSupport.Framework.Integration.AbstractBilingualProcessorContainer.FileComplete()
   at Sdl.FileTypeSupport.Framework.Integration.MultiFileConverter.FileComplete()
   at Sdl.FileTypeSupport.Framework.BilingualApi.AbstractBilingualContentProcessor.FileComplete()
   at Sdl.FileTypeSupport.Framework.Integration.AbstractBilingualProcessorContainer.FileComplete()
   at Sdl.FileTypeSupport.Bilingual.Tmfc.TmfcReaderImpl.vv_Visit(TmfcReaderImpl* , FrameworkFileContainerField* field)
   at FrameworkFileContainerField.vv_AcceptFrameworkVisitor(FrameworkFileContainerField* , FrameworkFieldVisitor* visitor)
   at Sdl.FileTypeSupport.Bilingual.Tmfc.TmfcReaderImpl.vv_VisitStartEndField(TmfcReaderImpl* , StartEndField* startEnd)
   at Sdl.FileTypeSupport.Bilingual.Tmfc.TmfcReaderImpl.b_VisitNext(TmfcReaderImpl* )
   at Sdl.FileTypeSupport.Bilingual.Tmfc.TmfcReader.ParseNext()
   at Sdl.FileTypeSupport.Framework.Integration.FileExtractor.ParseNext()
   at Sdl.FileTypeSupport.Framework.Integration.MultiFileConverter.ParseNext()
   at Sdl.FileTypeSupport.Framework.Integration.MultiFileConverter.Parse()
   at Sdl.TranslationStudio.Editor.Previews.GeneratePreviewJobRequest.CreatePreviewFile(IFileTypeManager fm, IAbstractGenerator generator, GenerateType generateType)
   at Sdl.TranslationStudio.Editor.Previews.GeneratePreviewJobRequest.Execute(IJobExecutionContext context)
   at Sdl.Desktop.Platform.Implementation.Services.Job.<_worker_DoWork>b__47_0()
   at Sdl.Desktop.Logger.Log.Resources(Object message, Action action)
   at Sdl.Desktop.Platform.Implementation.Services.Job._worker_DoWork(Object sender, DoWorkEventArgs e)
   at System.ComponentModel.BackgroundWorker.OnDoWork(DoWorkEventArgs e)
   at System.ComponentModel.BackgroundWorker.WorkerThreadStart(Object argument)]]></StackTrace>
  </Exception>
  <Environment>
    <ProductName>SDL Trados Studio</ProductName>
    <ProductVersion>Studio16</ProductVersion>
    <EntryAssemblyFileVersion>16.1.3.4096</EntryAssemblyFileVersion>
    <OperatingSystem>Microsoft Windows 10 Enterprise</OperatingSystem>
    <ServicePack>NULL</ServicePack>
    <OperatingSystemLanguage>1033</OperatingSystemLanguage>
    <CodePage>1252</CodePage>
    <LoggedOnUser>danielhug</LoggedOnUser>
    <DotNetFrameWork>4.0.30319.42000</DotNetFrameWork>
    <ComputerName>ABCD</ComputerName>
    <ConnectedToNetwork>True</ConnectedToNetwork>
    <PhysicalMemory>16568624 MB</PhysicalMemory>
  </Environment>
</SDLErrorDetails>

No preview is displayed, but nothing crashes. I can continue to work or choose Excel preview, which does work but is clunky and needs to be manually refreshed.

Daniel