A Database Error Occurred

Error Number: 1054

Unknown column 'contact' in 'where clause'

select coursedate.*, course.title as course_title from coursedate, course where course.id = coursedate.course_id and course.deleted = 0 and coursedate.deleted = 0 and coursedate.date_time > date_add(curdate(), INTERVAL 1 DAY )and coursedate.course_id = contact order by date_time asc