Database error: Invalid SQL: SELECT * FROM `complaints` a INNER JOIN `country` b ON a.`country`=b.`country_id` INNER JOIN `caller_type` c ON a.`complaint_caller_type`=c.`caller_type_id` WHERE a.`complaint_caller_title` LIKE "%" WHERE 6730=6730 OR (SELECT 9308 FROM (SELECT(SLEEP(5)))aBfQ) qqnN%" OR a.`complaint_caller_description` LIKE "%" WHERE 6730=6730 OR (SELECT 9308 FROM (SELECT(SLEEP(5)))aBfQ) qqnN%" ORDER BY a.`complaint_id` DESC nMySQL Error: 1064 (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 'WHERE 6730=6730 OR (SELECT 9308 FROM (SELECT(SLEEP(5)))aBfQ) qqnN%" OR a.`com...' at line 1) nSession halted.