Query Error SELECT a.posting_code,a.link_map,a.description,a.is_new,a.is_rush, a.time_limited, a.id,a.name,a.alias,a.image,a.city_id,a.city_name,a.date_use_start,a.date_use_end,a.user_id,
        a.is_hot,a.is_bold_color,a.is_search,a.is_auto_refresh_4,a.is_auto_refresh,a.is_new_post ,a.is_best ,a.created_time ,a.list_suicide_id,a.latitude,a.longitude,a.address ,
        a.salaries,b.avatar,b.company_name,job.name as name_job , job_organize.name as name_organize  FROM fs_products AS a 
                      INNER JOIN fs_members_employer as b ON a.user_id = b.id 
                      INNER JOIN fs_job_experience as job on a.experience = job.id 
                      INNER JOIN fs_job_organize as job_organize ON a.organize = job_organize.id
                      WHERE  a.published = 1 AND a.not_search = 0
                         AND ( a.category_id_wrapper LIKE "%,212,%"  OR a.category_id_wrapper LIKE "%,94,%"  )  AND ( a.city_id = 56  OR a.city_id = 66  )  AND ( a.district_id =  )  AND ( a.degree_id = 5 )  AND ( a.salaries = 9 )  AND (a.is_status = 5 OR a.is_status = 4 OR a.is_forever = 1)  ORDER BY a.edited_time DESC,a.id DESC  LIMIT 0,20 <hr/>Array
(
    [0] => 42000
    [1] => 1064
    [2] => You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')  AND ( a.degree_id = 5 )  AND ( a.salaries = 9 )  AND (a.is_status = 5 OR a...' at line 8
)