SQL-DATABASE ERROR

Database error in pd Script: Invalid SQL: SELECT * FROM fh_kategorie WHERE idkategorie2 = 6 AND expired=0 ORDER BY cat_title_en ASC
mysql error: Unknown column 'cat_title_en' in 'order clause'
mysql error number: 1054
Date: 15.09.2019 @ 12:00
Script: /onl/kategorie.php?id_kat=6&lang=en
Referer: