WordPress database error: [Incorrect DATE value: '0']
SELECT SQL_CALC_FOUND_ROWS tazvRw1_posts.ID FROM tazvRw1_posts INNER JOIN tazvRw1_postmeta ON ( tazvRw1_posts.ID = tazvRw1_postmeta.post_id ) INNER JOIN tazvRw1_postmeta AS mt1 ON ( tazvRw1_posts.ID = mt1.post_id ) WHERE 1=1 AND ( tazvRw1_postmeta.meta_key = 'qns_event_date' AND ( ( mt1.meta_key = 'qns_event_date' AND CAST(mt1.meta_value AS DATE) >= '0' ) ) ) AND ((tazvRw1_posts.post_type = 'event' AND (tazvRw1_posts.post_status = 'publish'))) GROUP BY tazvRw1_posts.ID ORDER BY tazvRw1_postmeta.meta_value ASC LIMIT 0, 10