ERROR : FUNCTION qoutgjyi_devices.fnStripTags does not exist
query : SELECT `page`.*, IF(`page`.`image_id` IS NOT NULL, (SELECT CONCAT("https://devices.yallaqaren.com/upload_imgs/", `image`.`image_foldar`, "/", `image`.`image_filename`) FROM `image` WHERE `image`.`image_id`=`page`.`image_id`), NULL) AS `image_url`, IF(`page`.`image_id` IS NOT NULL, (SELECT CONCAT("https://devices.yallaqaren.com/upload_imgs/", `image`.`image_foldar`, "/thumbnail/", `image`.`image_filename`) FROM `image` WHERE `image`.`image_id`=`page`.`image_id`), NULL) AS `image_url_thumbnail`, `user`.`user_type`, `user`.`user_status`, `user`.`user_username`, `user_profile`.`user_name`, SUBSTRING(fnStripTags(`page`.`page_content`), 1, 400) AS `page_description`, (SELECT COUNT(*) FROM `page_comment` WHERE `page_comment`.`page_id`=`page`.`page_id`) AS `count_comment`, (SELECT COUNT(*) FROM `page_comment` WHERE `page_comment`.`page_id`=`page`.`page_id` AND `page_comment`.`comment_status`=FALSE) AS `count_comment_false`, FROM_UNIXTIME(`page`.`page_dateUpdate`, "%Y-%m-%d %h:%i %p") AS `format_page_dateUpdate`, FROM_UNIXTIME(`page`.`page_date`, "%Y-%m-%d %h:%i %p") AS `format_page_date`, `page`.`page_id`, `page`.`user_id`, `page`.`image_id`, `page`.`page_name`, `page`.`page_title`, `page`.`page_content`, `page`.`page_keyword`, `page`.`page_views`, `page`.`page_statusComment`, `page`.`page_status`, `page`.`page_dateUpdate`, `page`.`page_date` FROM `qoutgjyi_devices`.`page` # get user LEFT JOIN `user` ON `user`.`user_id`=`page`.`user_id` LEFT JOIN `user_profile` ON `user_profile`.`user_id`=`page`.`user_id` WHERE `page`.`page_id`=2 LIMIT 1