DocumentTranslationException about deepl-python HOT 7 CLOSED

def retrieve_document(id, key, output_path):
    handle = deepl.DocumentHandle(id, key)
    status = translator.translate_document_get_status(handle)
    if status.ok and status.done:
        translator.translate_document_download(handle, output_path)
        return True
    else:
        print("Document translation not finished or error occurred")
        return False

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DocumentTranslationException              Traceback (most recent call last)
Input In [15], in <module>
----> 1 dt.translate_batch_docs([pdf_path])

Input In [12], in DocumentTranslator.translate_batch_docs(self, pdfs)
      7 for pdf in pdfs:
      8     translated_pdf = pdf.replace('.pdf', '_translated.pdf')
----> 9     self.translator.translate_document_from_filepath(pdf, translated_pdf, target_lang=self.target_language_code)

File /opt/conda/lib/python3.9/site-packages/deepl/translator.py:792, in Translator.translate_document_from_filepath(self, input_path, output_path, source_lang, target_lang, formality, glossary)
    790 out_file.close()
    791 os.unlink(output_path)
--> 792 raise e

File /opt/conda/lib/python3.9/site-packages/deepl/translator.py:781, in Translator.translate_document_from_filepath(self, input_path, output_path, source_lang, target_lang, formality, glossary)
    779 with open(output_path, "wb") as out_file:
    780     try:
--> 781         self.translate_document(
    782             in_file,
    783             out_file,
    784             target_lang=target_lang,
    785             source_lang=source_lang,
    786             formality=formality,
    787             glossary=glossary,
    788         )
    789     except Exception as e:
    790         out_file.close()

File /opt/conda/lib/python3.9/site-packages/deepl/translator.py:851, in Translator.translate_document(self, input_document, output_document, source_lang, target_lang, formality, glossary)
    848     raise DocumentTranslationException(str(e), handle) from e
    850 if not status.ok:
--> 851     raise DocumentTranslationException(
    852         "Error occurred while translating document", handle
    853     )

DocumentTranslationException: Error occurred while translating document, document request: Document ID: FEC7FDF4AAEEE98***, key: 50FEA198BA72CD7DADFA64F13***

try:
    self.translator.translate...                       # Call deepl functions
except deepl.DocumentTranslationException as error:
    document_request = error.document_request          # Get the document_request
    document_id = document_request.document_id
    document_key = document_request.document_key
    ...                                                # Save the document ID and key for later use
    raise error                                        # Throw the error onwards

def retrieve_document(id, key, output_path):
    handle = deepl.DocumentHandle(id, key)
    status = translator.translate_document_get_status(handle)
    if not status.ok:
        print("Document translation failed")  # Maybe you would prefer to raise an exception here?
        return False
    elif status.done:
        translator.translate_document_download(handle, output_path)
        return True
    else:
        print("Document translation not yet finished")
        return False