Error dump:

object(mysqli_sql_exception)#5 (8) {
  ["message":protected]=>
  string(189) "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 ') ORDER BY UNIX_TIMESTAMP(date_live) DESC' at line 9"
  ["string":"Exception":private]=>
  string(0) ""
  ["code":protected]=>
  int(1064)
  ["file":protected]=>
  string(73) "/home/marsdeninch/webapps/jh-marsdeninch/includes/classes/mysql.class.php"
  ["line":protected]=>
  int(143)
  ["trace":"Exception":private]=>
  array(4) {
    [0]=>
    array(3) {
      ["file"]=>
      string(73) "/home/marsdeninch/webapps/jh-marsdeninch/includes/classes/mysql.class.php"
      ["line"]=>
      int(143)
      ["function"]=>
      string(12) "mysqli_query"
    }
    [1]=>
    array(5) {
      ["file"]=>
      string(73) "/home/marsdeninch/webapps/jh-marsdeninch/includes/classes/mysql.class.php"
      ["line"]=>
      int(123)
      ["function"]=>
      string(13) "execute_query"
      ["class"]=>
      string(5) "Mysql"
      ["type"]=>
      string(2) "->"
    }
    [2]=>
    array(5) {
      ["file"]=>
      string(76) "/home/marsdeninch/webapps/jh-marsdeninch/includes/classes/frontend.class.php"
      ["line"]=>
      int(38)
      ["function"]=>
      string(5) "query"
      ["class"]=>
      string(5) "Mysql"
      ["type"]=>
      string(2) "->"
    }
    [3]=>
    array(5) {
      ["file"]=>
      string(78) "/home/marsdeninch/webapps/jh-marsdeninch/public_html/pages/category-search.php"
      ["line"]=>
      int(6)
      ["function"]=>
      string(17) "get_job_summaries"
      ["class"]=>
      string(8) "Frontend"
      ["type"]=>
      string(2) "->"
    }
  }
  ["previous":"Exception":private]=>
  NULL
  ["sqlstate":protected]=>
  string(5) "42000"
}