Fatal error: Uncaught TypeError: mysqli_num_rows(): Argument #1 ($result) must be of type mysqli_result, bool given in /home/perton/domains/pertonmetals.com/public_html/app/core/database.php:61
Stack trace:
#0 /home/perton/domains/pertonmetals.com/public_html/app/core/database.php(61): mysqli_num_rows()
#1 /home/perton/domains/pertonmetals.com/public_html/app/components/com_webshop/functions.php(53): core\Database->doQuery()
#2 /home/perton/domains/pertonmetals.com/public_html/app/components/com_webshop/functions.php(33): DDWebshop->getProduct()
#3 /home/perton/domains/pertonmetals.com/public_html/app/components/com_webshop/views/winkelwagen.php(14): DDWebshop->getTitle()
#4 /home/perton/domains/pertonmetals.com/public_html/app/components/com_webshop/com_webshop.php(64): include('...')
#5 /home/perton/domains/pertonmetals.com/public_html/app/core/framework.php(335): require('...')
#6 /home/perton/domains/pertonmetals.com/public_html/app/core/framework.php(102): core\Framework->loadController()
#7 /home/perton/domains/pertonmetals.com/public_html/public/index.php(21): core\Framework->init()
#8 {main}
thrown in /home/perton/domains/pertonmetals.com/public_html/app/core/database.php on line 61