Warning:  [mysql 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 ')
  ORDER BY file DESC' at line 6

SELECT DISTINCT(image_id)
  FROM piwi_image_category
    INNER JOIN piwi_images ON id = image_id
  WHERE
    category_id = 32
AND (level<=)
  ORDER BY file DESC
; in /home/bisstudi/domains/sebastiansoltyszewski.pl/public_html/galeria/include/dblayer/functions_mysqli.inc.php on line 845