Globalese integration: Error occurred during file upload or translation

The following error, that Globalese communicates back to translate5 should simply be silently discarded (no log entry, no user communication):

ZfExtended_Log on xxxxx.translate5.net - Kurzmeldung: Error occurred during file upload or translation (taskGuid={e4d46f35-a7a3-49cd-a817-89574eb97d8d}),(globalese file id = 5c5aca66479ab5.05814201){"error":"Error uploading file. The uploaded file contains no untranslated segments."}