Fatal error: Uncaught exception 'Elasticsearch\Common\Exceptions\BadRequest400Exception' with message '{"error":"SearchPhaseExecutionException[Failed to execute phase [query], all shards failed; shardFailures {[HWnVYwZ-TA2aTjAAKBEVOg][ios_app][0]: SearchParseException[[ios_app][0]: from[-1],size[-1]: Parse Failure [Failed to parse source [{\"query\":{\"query_string\":{\"query\":\"Flag Quiz - Guess the Flag!\"}},\"size\":15}]]]; nested: QueryParsingException[[ios_app] Failed to parse query [Flag Quiz - Guess the Flag!]]; nested: ParseException[Cannot parse 'Flag Quiz - Guess the Flag!': Encountered \"<EOF>\" at line 1, column 27.\nWas expecting one of:\n <BAREOPER> ...\n \"(\" ...\n \"*\" ...\n <QUOTED> ...\n <TERM> ...\n <PREFIXTERM> ...\n <WILDTERM> ...\n <REGEXPTERM> ...\n \"[\" ...\n \"{\" ...\n <NUMBER> ...\n <TERM> ...\n \"*\" ...\n ]; nested: ParseException[Encountered \"<EOF>\" at line 1, column 27.\nWas expecting one of:\n <BAREOPER> ...\n \"(\" ...\n \"*\" ...\n in /var/www/similarapps.me/vendor/elasticsearch/elasticsearch/src/Elasticsearch/Connections/Connection.php on line 663