Hello, can you help me?

2024-06-21 21:17:59 | Information | Sync started (New dom).
2024-06-21 21:17:59 | Information | Connecting to Google...
2024-06-21 21:18:00 | Information | Connecting to Outlook...
2024-06-21 21:18:00 | Information | Loading Outlook contacts...
2024-06-21 21:18:00 | Information | Loading Google Groups...
2024-06-21 21:18:00 | Information | Loading Google Contacts...
2024-06-21 21:18:01 | Information | Removing Outlook duplicated contacts...
2024-06-21 21:18:47 | Information | Removing Google duplicated contacts...
2024-06-21 21:18:47 | Information | Matching Outlook and Google contacts...
2024-06-21 21:19:08 | Warning | Outlook exception, please assure that Outlook is running and not closed when syncing: Échec de l'opération.
at Microsoft.Office.Interop.Outlook._ContactItem.get_UserProperties()
at GoContactSyncMod.ContactsMatcher.MatchContactsById(Synchronizer sync, List1 result, List1 skippedOutlookIds, Collection`1 outlookContactsWithoutOutlookGoogleId) in C:\Users\saller\Source\googlesyncmod\trunk\GoogleContactsSync\ContactsMatcher.cs:line 92
at GoContactSyncMod.ContactsMatcher.MatchContacts(Synchronizer sync, DuplicateDataException& duplicatesFound) in C:\Users\saller\Source\googlesyncmod\trunk\GoogleContactsSync\ContactsMatcher.cs:line 337
at GoContactSyncMod.Synchronizer.MatchContacts() in C:\Users\saller\Source\googlesyncmod\trunk\GoogleContactsSync\Synchronizer.cs:line 2311
at GoContactSyncMod.Synchronizer.Sync() in C:\Users\saller\Source\googlesyncmod\trunk\GoogleContactsSync\Synchronizer.cs:line 2408
at GoContactSyncMod.SettingsForm.<sync_threadstarter>d__106.MoveNext() in C:\Users\saller\Source\googlesyncmod\trunk\GoogleContactsSync\SettingsForm.cs:line 982</sync_threadstarter>

Thanks