Fatal error: Uncaught PDOException: SQLSTATE[42S22]: Column not found: 1054 Unknown column 'category' in 'where clause' in /home/kianelec/public_html/includes/database.php:56 Stack trace: #0 /home/kianelec/public_html/includes/database.php(56): PDO->prepare('SELECT * FROM p...') #1 /home/kianelec/public_html/includes/functions.php(22): Database->query('SELECT * FROM p...', Array) #2 /home/kianelec/public_html/templates/shop.php(17): get_products_by_category('Ghalamzani') #3 /home/kianelec/public_html/index.php(171): include('/home/kianelec/...') #4 {main} thrown in /home/kianelec/public_html/includes/database.php on line 56