Message d'erreur
CtSearch response failed => code 500. Response is {"error":"Client error: `GET http:\/\/localhost:9200\/cnrs_index\/_search?rest_total_hits_as_int=true` resulted in a `404 Not Found` response:\n{\"error\":{\"root_cause\":[{\"type\":\"index_not_found_exception\",\"reason\":\"no such index [cnrs_index]\",\"resource.type\":\"index (truncated...)\n"}