Fatal error: Uncaught TypeError: Argument 1 passed to ModelCatalogProductPrice::getCartSpecialData() must be of the type int, null given, called in /var/www/html/src/App/Dto/Product/ProductPrice.php on line 31 and defined in /var/www/html/catalog/model/catalog/product_price.php:73 Stack trace: #0 /var/www/html/src/App/Dto/Product/ProductPrice.php(31): ModelCatalogProductPrice->getCartSpecialData(NULL, '1', '1', false) #1 /var/www/html/system/library/mobile/ProductService.php(73): App\Dto\Product\ProductPrice->__construct('7161939', '1', '1', false) #2 /var/www/html/system/library/mobile/ProductService.php(1265): ProductService->find(Array, 'FULL') #3 /var/www/html/catalog/controller/product/product.php(172): ProductService->findByProductId('7161939', 'FULL', false) #4 /var/www/html/system/engine/front.php(54): ControllerProductProduct->index() #5 /var/www/html/system/engine/front.php(33): Front->execute('') #6 /var/www/html/index.php(527): Front->dispatch(Object(Action), Object(Action)) #7 {main} thrown in /var/www/html/catalog/model/catalog/product_price.php on line 73