Fatal error: Uncaught RuntimeException: ObjectManager isn't initialized in /app/vendor/magento/framework/App/ObjectManager.php:36 Stack trace: #0 /app/vendor/magento/framework/File/Mime.php(84): Magento\Framework\App\ObjectManager::getInstance() #1 /app/pub/get.php(61): Magento\Framework\File\Mime->__construct() #2 {main} thrown in /app/vendor/magento/framework/App/ObjectManager.php on line 36