Fatal error: Uncaught Error: Class "Functional\Exceptions\InvalidArgumentException" not found in /www/htdocs/w01ff498/agbox.online/includes/vendor/lstrojny/functional-php/src/Functional/First.php:28 Stack trace: #0 /www/htdocs/w01ff498/agbox.online/includes/src/Customer/CustomerGroup.php(164): Functional\first(Array) #1 /www/htdocs/w01ff498/agbox.online/includes/src/Customer/CustomerGroup.php(127): JTL\Customer\CustomerGroup->loadData(Array) #2 /www/htdocs/w01ff498/agbox.online/includes/src/Session/Frontend.php(522): JTL\Customer\CustomerGroup->loadDefaultGroup() #3 /www/htdocs/w01ff498/agbox.online/includes/src/Filter/Config.php(53): JTL\Session\Frontend::getCustomerGroup() #4 /www/htdocs/w01ff498/agbox.online/includes/src/Shop.php(701): JTL\Filter\Config::getDefault() #5 /www/htdocs/w01ff498/agbox.online/includes/src/Shop.php(720): JTL\Shop::buildProductFilter(Array) #6 /www/htdocs/w01ff498/agbox.online/includes/src/Router/Controller/AbstractController.php(143): JTL\Shop::getProductFilter() #7 /www/htdocs/w01ff498/agbox.online/includes/src/Router/Router.php(170): JTL\Router\Controller\AbstractController->__construct(Object(JTL\DB\NiceDB), Object(JTL\Cache\JTLCache), Object(JTL\Router\State), Array, Object(JTL\Services\JTL\AlertService)) #8 /www/htdocs/w01ff498/agbox.online/includes/globalinclude.php(66): JTL\Router\Router->__construct(Object(JTL\DB\NiceDB), Object(JTL\Cache\JTLCache), Object(JTL\Router\State), Object(JTL\Services\JTL\AlertService), Array) #9 /www/htdocs/w01ff498/agbox.online/index.php(7): require('/www/htdocs/w01...') #10 {main} thrown in /www/htdocs/w01ff498/agbox.online/includes/vendor/lstrojny/functional-php/src/Functional/First.php on line 28