Fatal error
: Uncaught mysqli_sql_exception: Duplicate entry '13' for key 'PRIMARY' in /home/employees/public_html/ecommerce-website/functions/functions.php:556 Stack trace: #0 /home/employees/public_html/ecommerce-website/functions/functions.php(556): mysqli_query(Object(mysqli), 'INSERT INTO car...') #1 /home/employees/public_html/ecommerce-website/index.php(10): cart() #2 {main} thrown in
/home/employees/public_html/ecommerce-website/functions/functions.php
on line
556