Unknown column 'cart' in 'where clause'SELECT event.id_event as id_event, event.date_event as date_event, event.time_event as time_event, event.location as location, event.venue as venue, event.venue_website as venue_website, event.price as price, event.sellonthesite as sellonthesite, artist.title as artistname, artist.file_avatar as file_avatar, artist.clean_url as artist_clean_url FROM event INNER JOIN event_artist ON event.id_event = event_artist.id_event INNER JOIN artist ON event_artist.id_artist = artist.id_artist WHERE event.status = "1" AND artist.id_label = 1 AND event.id_event = cart AND event.sellonthesite = 1