Fatal error: Uncaught mysqli_sql_exception: Duplicate entry 'tshirt' for key 'tacky.category_2' in /var/www/vende.dk/public_html/index.php:88 Stack trace: #0 /var/www/vende.dk/public_html/index.php(88): mysqli_query(Object(mysqli), ' UPDATE tacky S...') #1 {main} thrown in /var/www/vende.dk/public_html/index.php on line 88