"Input string was not in a correct format" when trying to update project TM

Hello,

Studio 2019 SR1. When trying to update project TMs with batch task (right click on file, select from context menu), I get the error: Input string was not in a correct format. The other file in the project does not produce this error.

I can't find anything relating to this in the knowledge base or on this forum.

Daniel

Here's the stacktrace:

<SDLErrorDetails time="23-Jan-19 3:56:12 PM">
  <ErrorMessage>Input string was not in a correct format.</ErrorMessage>
  <Exception>
    <Type>System.FormatException, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</Type>
    <HelpLink />
    <Source>mscorlib</Source>
    <HResult>-2146233033</HResult>
    <StackTrace><![CDATA[   at System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal)
   at System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info)
   at System.Convert.ToInt32(String value)
   at Sdl.ProjectApi.AutomaticTasks.UpdateTm.UpdateProjectTmContentProcessor.GetTranslationHash(ITranslationOrigin translationOrigin)
   at Sdl.ProjectApi.AutomaticTasks.UpdateTm.AbstractUpdateTmContentProcessor.ProcessWaitingParagraphs()
   at Sdl.ProjectApi.AutomaticTasks.UpdateTm.AbstractUpdateTmContentProcessor.ProcessParagraphUnit(IParagraphUnit paragraphUnit)
   at Sdl.FileTypeSupport.Framework.BilingualApi.AbstractBilingualContentProcessor.ProcessParagraphUnit(IParagraphUnit paragraphUnit)
   at Sdl.FileTypeSupport.Filters.Processors.SegmentRenumberingBilingualProcessor.ProcessParagraphUnit(IParagraphUnit paragraphUnit)
   at Sdl.FileTypeSupport.Framework.Core.Utilities.BilingualApi.BilingualContentHandlerAdapter.ProcessParagraphUnit(IParagraphUnit paragraphUnit)
   at Sdl.FileTypeSupport.Framework.Core.Utilities.BilingualApi.BilingualContentHandlerAdapter.ProcessParagraphUnit(IParagraphUnit paragraphUnit)
   at Sdl.FileTypeSupport.Framework.Integration.AbstractBilingualProcessorContainer.ProcessParagraphUnit(IParagraphUnit paragraphUnit)
   at Sdl.FileTypeSupport.Framework.BilingualApi.AbstractBilingualContentProcessor.ProcessParagraphUnit(IParagraphUnit paragraphUnit)
   at Sdl.FileTypeSupport.Framework.Integration.LocationMarkerLocator.ProcessParagraphUnit(IParagraphUnit paragraphUnit)
   at Sdl.FileTypeSupport.Framework.Integration.AbstractBilingualProcessorContainer.ProcessParagraphUnit(IParagraphUnit paragraphUnit)
   at Sdl.FileTypeSupport.Framework.Integration.FileExtractor.ProcessParagraphUnit(IParagraphUnit paragraphUnit)
   at Sdl.FileTypeSupport.Framework.Core.Utilities.BilingualApi.ParagraphUnitBuffer.ProcessParagraphUnit(IParagraphUnit pu)
   at Sdl.FileTypeSupport.Bilingual.SdlXliff.XliffFileReader.OutputParagraphUnit(IParagraphUnit pu)
   at Sdl.FileTypeSupport.Bilingual.SdlXliff.XliffFileReader.ParseLocalizableParagraphUnit(transunit transunit, LockTypeFlags lockFlags)
   at Sdl.FileTypeSupport.Bilingual.SdlXliff.XliffFileReader.ParseTransUnit(transunit transunit)
   at Sdl.FileTypeSupport.Bilingual.SdlXliff.XliffFileReader.ParseGroup(group group)
   at Sdl.FileTypeSupport.Bilingual.SdlXliff.XliffFileReader.OnGroup(XmlElement groupElement)
   at Sdl.FileTypeSupport.Bilingual.SdlXliff.SdlXliffFeeder.<ContinueScanning>b__14_15(ISdlXliffStreamContentHandler handler)
   at System.Collections.Generic.List`1.ForEach(Action`1 action)
   at Sdl.FileTypeSupport.Bilingual.SdlXliff.SdlXliffFeeder.ContinueScanning()
   at Sdl.FileTypeSupport.Bilingual.SdlXliff.XliffFileReader.ContinueParsing()
   at Sdl.FileTypeSupport.Bilingual.SdlXliff.XliffFileReader.ParseNext()
   at Sdl.FileTypeSupport.Framework.Integration.FileExtractor.ParseNext()
   at Sdl.FileTypeSupport.Framework.Integration.MultiFileConverter.ParseNext()
   at Sdl.FileTypeSupport.Framework.Integration.MultiFileConverter.Parse()
   at Sdl.ProjectApi.Implementation.TaskExecution.ContentProcessingTaskImplementation.TaskFileExecuter.Parse(String targetFilePath)]]></StackTrace>
  </Exception>
  <Environment>
    <ProductName>SDL Trados Studio</ProductName>
    <ProductVersion>15.0.0.0</ProductVersion>
    <EntryAssemblyFileVersion>15.1.0.44109</EntryAssemblyFileVersion>
    <OperatingSystem>Microsoft Windows 10 Enterprise</OperatingSystem>
    <ServicePack>NULL</ServicePack>
    <OperatingSystemLanguage>1033</OperatingSystemLanguage>
    <CodePage>1252</CodePage>
    <LoggedOnUser>COMMUNITY\danielhug</LoggedOnUser>
    <DotNetFrameWork>4.0.30319.42000</DotNetFrameWork>
    <ComputerName>V2104</ComputerName>
    <ConnectedToNetwork>True</ConnectedToNetwork>
    <PhysicalMemory>12581860 MB</PhysicalMemory>
  </Environment>
</SDLErrorDetails>