Fatal error: Uncaught TypeError: JTL\Catalog\Product\Preise::customerHasCustomPriceForProduct(): Argument #2 ($productID) must be of type int, null given, called in /www/htdocs/w014eaf0/germens-shop/includes/src/Catalog/Product/Artikel.php on line 863 and defined in /www/htdocs/w014eaf0/germens-shop/includes/src/Catalog/Product/Preise.php:304 Stack trace: #0 /www/htdocs/w014eaf0/germens-shop/includes/src/Catalog/Product/Artikel.php(863): JTL\Catalog\Product\Preise->customerHasCustomPriceForProduct(0, NULL) #1 /www/htdocs/w014eaf0/germens-shop/includes/src/Catalog/Product/Artikel.php(3029): JTL\Catalog\Product\Artikel->getCustomerPrice(1, 0) #2 /www/htdocs/w014eaf0/germens-shop/includes/src/Catalog/Product/Artikel.php(2755): JTL\Catalog\Product\Artikel->loadFromCache(21035, 1) #3 /www/htdocs/w014eaf0/germens-shop/includes/src/Filter/ProductFilter.php(1477): JTL\Catalog\Product\Artikel->fuelleArtikel(21035, Object(stdClass), 1, 1) #4 /www/htdocs/w014eaf0/germens-shop/includes/src/Filter/ProductFilter.php(1408): JTL\Filter\ProductFilter->fillProducts(NULL, Object(Illuminate\Support\Collection), Object(Illuminate\Support\Collection)) #5 /www/htdocs/w014eaf0/germens-shop/includes/src/Router/Controller/ProductListController.php(104): JTL\Filter\ProductFilter->generateSearchResults(Object(JTL\Catalog\Category\Kategorie)) #6 /www/htdocs/w014eaf0/germens-shop/includes/src/Router/Controller/SearchController.php(53): JTL\Router\Controller\ProductListController->getResponse(Object(Laminas\Diactoros\ServerRequest), Array, Object(JTL\Smarty\JTLSmarty)) #7 /www/htdocs/w014eaf0/germens-shop/includes/src/Router/Controller/DefaultController.php(111): JTL\Router\Controller\SearchController->getResponse(Object(Laminas\Diactoros\ServerRequest), Array, Object(JTL\Smarty\JTLSmarty)) #8 /www/htdocs/w014eaf0/germens-shop/includes/src/Router/Router.php(670): JTL\Router\Controller\DefaultController->getResponse(Object(Laminas\Diactoros\ServerRequest), Array, Object(JTL\Smarty\JTLSmarty)) #9 /www/htdocs/w014eaf0/germens-shop/includes/src/Shop.php(378): JTL\Router\Router->dispatch(Object(JTL\Smarty\JTLSmarty)) #10 /www/htdocs/w014eaf0/germens-shop/index.php(9): JTL\Shop::dispatch() #11 {main} thrown in /www/htdocs/w014eaf0/germens-shop/includes/src/Catalog/Product/Preise.php on line 304