Fatal error: Uncaught TypeError: array_keys(): Argument #1 ($array) must be of type array, null given in /var/www/jtlshop/includes/src/Filter/Items/PriceRange.php:189 Stack trace: #0 /var/www/jtlshop/includes/src/Filter/Items/PriceRange.php(189): array_keys() #1 /var/www/jtlshop/includes/src/Filter/Items/PriceRange.php(479): JTL\Filter\Items\PriceRange->init() #2 /var/www/jtlshop/includes/src/Filter/Items/PriceRange.php(637): JTL\Filter\Items\PriceRange->getAutomaticRangeOptions() #3 /var/www/jtlshop/includes/src/Filter/SearchResults.php(714): JTL\Filter\Items\PriceRange->getOptions() #4 /var/www/jtlshop/includes/src/Filter/ProductFilter.php(1633): JTL\Filter\SearchResults->setFilterOptions() #5 /var/www/jtlshop/includes/src/Router/Controller/ProductListController.php(81): JTL\Filter\ProductFilter->generateSearchResults() #6 /var/www/jtlshop/includes/src/Router/Controller/CategoryController.php(80): JTL\Router\Controller\ProductListController->getResponse() #7 /var/www/jtlshop/includes/src/Router/Controller/DefaultController.php(114): JTL\Router\Controller\CategoryController->getResponse() #8 /var/www/jtlshop/includes/src/Router/Router.php(681): JTL\Router\Controller\DefaultController->getResponse() #9 /var/www/jtlshop/includes/src/Shop.php(472): JTL\Router\Router->dispatch() #10 /var/www/jtlshop/index.php(7): JTL\Shop::dispatch() #11 {main} thrown in /var/www/jtlshop/includes/src/Filter/Items/PriceRange.php on line 189