Fatal error: Uncaught RuntimeException: ObjectManager isn't initialized in /www/yunseoul/files/public/lib/internal/Magento/Framework/App/ObjectManager.php:36 Stack trace: #0 /www/yunseoul/files/public/lib/internal/Magento/Framework/File/Transfer/Adapter/Http.php(47): Magento\Framework\App\ObjectManager::getInstance() #1 /www/yunseoul/files/public/pub/get.php(58): Magento\Framework\File\Transfer\Adapter\Http->__construct(Object(Magento\Framework\HTTP\PhpEnvironment\Response), Object(Magento\Framework\File\Mime)) #2 {main} thrown in /www/yunseoul/files/public/lib/internal/Magento/Framework/App/ObjectManager.php on line 36