Erro no banco de dados do WordPress: [Unknown column 'approved' in 'where clause']
SELECT DISTINCT user.*, user_meta.meta_value AS instructor_from_date
FROM wp_users user
INNER JOIN wp_usermeta user_meta
ON ( user.ID = user_meta.user_id )
INNER JOIN wp_usermeta inst_status
ON ( user.ID = inst_status.user_id )
WHERE user_meta.meta_key = '_is_tutor_instructor'
AND ( user.display_name LIKE '%%' OR user.user_email LIKE '%%' )
AND inst_status.meta_key = '_tutor_instructor_course_id' AND inst_status.meta_value = approved
ORDER BY user_meta.meta_value
LIMIT 0, 100;