Elasticsearch error: {"error":{"root_cause":[{"type":"index_not_found_exception","reason":"no such index [entities_en]","resource.type":"index_or_alias","resource.id":"entities_en","index_uuid":"_na_","index":"entities_en"}],"type":"index_not_found_exception","reason":"no such index [entities_en]","resource.type":"index_or_alias","resource.id":"entities_en","index_uuid":"_na_","index":"entities_en"},"status":404}
Research Committee n1 and nr 2 - Archive - de Appel Amsterdam
