elastic index mapping error

ERROR:sync_session:Failed elasticsearch client initialisation - RequestError(400, 'mapper_parsing_exception', 'Failed to parse object: expecting token of type [START_OBJECT] but found [VALUE_STRING]')
Traceback (most recent call last):
  File "/mirror-clients/mirror_clients/sync_session.py", line 199, in main
    await sync_session(args)
  File "/usr/local/lib/python3.9/site-packages/tenacity/_asyncio.py", line 86, in async_wrapped
    return await fn(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/tenacity/_asyncio.py", line 48, in __call__
    do = self.iter(retry_state=retry_state)
  File "/usr/local/lib/python3.9/site-packages/tenacity/__init__.py", line 349, in iter
    return fut.result()
  File "/usr/local/lib/python3.9/concurrent/futures/_base.py", line 438, in result
    return self.__get_result()
  File "/usr/local/lib/python3.9/concurrent/futures/_base.py", line 390, in __get_result
    raise self._exception
  File "/usr/local/lib/python3.9/site-packages/tenacity/_asyncio.py", line 51, in __call__
    result = await fn(*args, **kwargs)
  File "/mirror-clients/mirror_clients/sync_session.py", line 191, in sync_session
    if await task:
  File "/mirror-clients/mirror_clients/sync_session.py", line 157, in sync
    await processing(ws, client)
  File "/mirror-clients/mirror_clients/sync_session.py", line 101, in processing
    result = await operation_mapping[op_type](**data)
  File "/mirror-clients/mirror_clients/utils.py", line 39, in _impl
    result = await method(self, *method_args, **method_kwargs)
  File "/mirror-clients/mirror_clients/clients/elasticsearch_client.py", line 127, in upsert
    await self.db.index(index=index, id=_id, body=data)
  File "/usr/local/lib/python3.9/site-packages/elasticsearch/_async/client/__init__.py", line 400, in index
    return await self.transport.perform_request(
  File "/usr/local/lib/python3.9/site-packages/elasticsearch/_async/transport.py", line 329, in perform_request
    raise e
  File "/usr/local/lib/python3.9/site-packages/elasticsearch/_async/transport.py", line 296, in perform_request
    status, headers, data = await connection.perform_request(
  File "/usr/local/lib/python3.9/site-packages/elasticsearch/_async/http_aiohttp.py", line 329, in perform_request
    self._raise_error(response.status, raw_data)
  File "/usr/local/lib/python3.9/site-packages/elasticsearch/connection/base.py", line 322, in _raise_error
    raise HTTP_EXCEPTIONS.get(status_code, TransportError)(
elasticsearch.exceptions.RequestError: RequestError(400, 'mapper_parsing_exception', 'Failed to parse object: expecting token of type [START_OBJECT] but found [VALUE_STRING]')
INFO:application_wrapper:Shutdown aiohttp app
INFO:application_wrapper:Shutting down coroutine

в частном случае произошло изза полного изменения структуры поля

было

"representativeCertificateNumber": "№ свідоцтва про право на провадження діяльності арбітражного керуючого",
    "representativeCertificateDate": "2022-01-19T08:48:08.000000Z  sad"

а потом стало

"representativeCertificateDate": {
      "uk_UA": "Інформація про Організатора аукціону"
    },
    "representativeCertificateNumber": {
      "uk_UA": "№ свідоцтва про право на провадження діяльності арбітражного керуючого"
    }