Fatal error: Uncaught Error: Class "Magento\Backend\Block\Media\Uploader" not found in /var/www/magento/html/generated/code/Magento/Backend/Block/Media/Uploader/Interceptor.php:7
Stack trace:
#0 {main}
thrown in /var/www/magento/html/generated/code/Magento/Backend/Block/Media/Uploader/Interceptor.php on line 7