La Variabile stampa: QUERY: SELECT 
                    category 
                FROM 
                    str0_categories 
                WHERE 
                    id_category = 
FILE: /home/ahqtmoha/trial/models/frontend/modules/categories.php
LINE: 43

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 '' at line 6
FILE:
LINE:
METHOD: