"Object reference not set to an instance of an object" when exporting TM on Trados Studio 2024

Hello,

I try to export a TM on Trados Studio 2024, in TMX format.
After some time, I get an error message : (the famous) "Object reference not set to an instance of an object", and the export then stops.

Hereby the error file : 

<SDLErrorDetails time="01-10-24 08:28:36">
<ErrorMessage>Object reference not set to an instance of an object.</ErrorMessage>
<Exception>
<Type>Sdl.LanguagePlatform.Core.LanguagePlatformException, Sdl.LanguagePlatform.Core, Version=1.6.0.0, Culture=neutral, PublicKeyToken=c28cdb26c445c888</Type>
<HelpLink />
<Source>Sdl.LanguagePlatform.TranslationMemoryApi</Source>
<HResult>-2146233088</HResult>
<StackTrace><![CDATA[ at Sdl.LanguagePlatform.TranslationMemoryApi.FileBasedTranslationMemoryLanguageDirection.GetTranslationUnitsWithContextContent(RegularIterator& iterator)
at Sdl.LanguagePlatform.TranslationMemoryApi.TranslationMemoryLanguageDirectionImportExport.GetTranslationUnits(RegularIterator& iter)
at Sdl.Core.TM.ImportExport.ExportOriginWrapper.GetTranslationUnitsAsync(RegularIterator iter)
at Sdl.Core.TM.ImportExport.ExporterAsync.<ExportAsync>d__11.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Sdl.Core.TM.ImportExport.ExporterAsync.<ExportAsyncInternal>d__14.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Sdl.Core.Globalization.LegacyAsyncHelpers.<>c__DisplayClass3_0.<WrapUnavoidableAsyncCode>b__0()
at System.Threading.Tasks.Task.InnerInvoke()
at System.Threading.Tasks.Task.Execute()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Sdl.Core.Globalization.LegacyAsyncHelpers.WrapUnavoidableAsyncCode(Func`1 fn)
at Sdl.Core.TM.ImportExport.Exporter.Export(IExportOrigin exportOrigin, String fileName, Boolean overwriteExisting)
at Sdl.LanguagePlatform.TranslationMemoryApi.TranslationMemoryExporter.Export(String fileName, Boolean overwriteExisting)
at Sdl.TranslationStudio.Common.Jobs.ExportSdltmToTmxJobRequest.ExportFileBasedTranslationMemory()
at Sdl.TranslationStudio.Common.Jobs.ExportSdltmToTmxJobRequest.Execute(IJobExecutionContext context)
at Sdl.Desktop.Platform.Implementation.Services.JobExecuter.Execute(JobData jobData)
at Sdl.Desktop.Platform.Implementation.ResourceLoggingInternalCommandExecuter`1.ExecuteWithResourceLogging(TCommandData commandData, String message)
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>Trados Studio</ProductName>
<ProductVersion>Studio18</ProductVersion>
<EntryAssemblyFileVersion>18.0.0.1013</EntryAssemblyFileVersion>
<OperatingSystem>Microsoft Windows 10 Enterprise</OperatingSystem>
<ServicePack>NULL</ServicePack>
<OperatingSystemLanguage>1033</OperatingSystemLanguage>
<CodePage>1252</CodePage>
<LoggedOnUser>NCB\sdt</LoggedOnUser>
<DotNetFrameWork>4.0.30319.42000</DotNetFrameWork>
<ComputerName>NCB-LAP-0133</ComputerName>
<ConnectedToNetwork>True</ConnectedToNetwork>
<PhysicalMemory>16587224 MB</PhysicalMemory>
</Environment>
</SDLErrorDetails>

Do you have any idea why I get this error?

Thank you for your help !

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