Fatal error: Uncaught Error: Class "OC\Files\Storage\Common" not found in /var/www/html/nextcloud/apps/files_external/lib/Lib/Storage/AmazonS3.php:26 Stack trace: #0 {main} thrown in /var/www/html/nextcloud/apps/files_external/lib/Lib/Storage/AmazonS3.php on line 26