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TypeError: FrontEnd\Model\Products\ProductsDAO::getSeasonId(): Return value must be of type int, null returned in /var/www/frontend/Model/Products/ProductsDAO.php:1064 Stack trace: #0 /var/www/frontend/Model/Products/ProductsDAO.php(1032): FrontEnd\Model\Products\ProductsDAO->getSeasonId('mikulas') #1 /var/www/frontend/Model/Products/ProductsModel.php(67): FrontEnd\Model\Products\ProductsDAO->getProductCountSeasonSale('mikulas') #2 /var/www/frontend/Controller/SeasonSale/SeasonSale.php(88): FrontEnd\Model\Products\ProductsModel->getProductCountSeasonSale('mikulas') #3 /var/www/lib/Http/Server/Middleware.php(22): FrontEnd\Controller\SeasonSale\SeasonSale->handle(Object(GuzzleHttp\Psr7\ServerRequest)) #4 /var/www/lib/Http/Server/Handler/ServerRequestHandler.php(29): Http\Server\Middleware->process(Object(GuzzleHttp\Psr7\ServerRequest), Object(FrontEnd\Controller\SeasonSale\SeasonSale)) #5 /var/www/html/tenga.hu/index.php(339): Http\Server\Handler\ServerRequestHandler->handleServerRequest() #6 {main} Next Http\Exception\HttpException: FrontEnd\Model\Products\ProductsDAO::getSeasonId(): Return value must be of type int, null returned in /var/www/lib/Http/Server/Middleware.php:27 Stack trace: #0 /var/www/lib/Http/Server/Handler/ServerRequestHandler.php(29): Http\Server\Middleware->process(Object(GuzzleHttp\Psr7\ServerRequest), Object(FrontEnd\Controller\SeasonSale\SeasonSale)) #1 /var/www/html/tenga.hu/index.php(339): Http\Server\Handler\ServerRequestHandler->handleServerRequest() #2 {main}