An Error Was Encountered

Error Number: 1054

Unknown column 'yxmv28ed' in 'where clause'

SELECT SQL_CALC_FOUND_ROWS DISTINCT question.ques_id as id, question.ques_rec_time as time, DATE_FORMAT( question.ques_rec_time, '%b %d, %Y' ) as date, DATE_FORMAT( question.ques_rec_time, '%Y-%m-%d %H:%i:%s' ) as date_time, question.ques_title as title, question.flag as flag, question.ques_status as starred, question.ques_des as text, question.total_ans AS answers, question.ques_user_id, user.username, user.us_image as avatar, question.date_modified, question.url as url, question.stocks as stocks, question.additional_detail_date as additional_detail_date, question.community_id, question.category_id , CASE WHEN (question.additional_detail_date = '0000-00-00 00:00:00') THEN question.ques_rec_time ELSE question.additional_detail_date END AS sort_time FROM user, question WHERE question.deleted = 0 AND ( question.ques_status != 'Y' ) AND (question.community_id = 0 OR question.community_id is null OR question.community_id = yxmv28ed) AND user.id = question.ques_user_id GROUP BY question.ques_id ORDER BY ques_rec_time desc LIMIT 0, 15;