Fatal error: Uncaught TypeError: JTL\Session\Frontend::getCart(): Return value must be of type JTL\Cart\Cart, int returned in /var/www/jtl-hug-and-grow.de/httpdocs/includes/src/Session/Frontend.php:578 Stack trace: #0 /var/www/jtl-hug-and-grow.de/httpdocs/includes/src/Session/Frontend.php(95): JTL\Session\Frontend::getCart() #1 /var/www/jtl-hug-and-grow.de/httpdocs/includes/globalinclude.php(73): JTL\Session\Frontend->deferredUpdate() #2 /var/www/jtl-hug-and-grow.de/httpdocs/index.php(7): require('/var/www/jtl-hu...') #3 {main} thrown in /var/www/jtl-hug-and-grow.de/httpdocs/includes/src/Session/Frontend.php on line 578