DB error when debug is enabled

WordPress database error: [Table ‘myplan_domain.wp_ap_meta’ doesn’t exist]
SELECT count(*) as count, p.post_status FROM wp_posts p INNER JOIN wp_ap_meta m ON p.ID = m.apmeta_actionid WHERE (p.post_type = ‘question’ OR p.post_type = ‘answer’) AND m.apmeta_type=’flag’ GROUP BY p.post_status

in admin dashboard.