Failed to execute query at line 504: Subquery returns more than 1 row SQL: SELECT heading, s3_type, s3_file FROM media_files WHERE event_id = (SELECT event_id FROM events WHERE event_seo = 'childeric-5yo-class' AND competition_id = (SELECT competition_id FROM competitions WHERE competition_seo = '2019-04-17-irish-horse-gateway-viewing-day' AND sport_id IN (SELECT sport_id FROM sports WHERE sport_seo = 'sport-horse' ) ) ) AND media_file_seo = '20-cathal-daniels-leb-emperus' AND s3_type = 'mp4'