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