Upgrade failed (from 10.0.10 to 10.6)

[Aki]

Hi ,

Please check this thread

Problem upgrading to 10.4

on a pi 3 i upgraded my main owncloud from stretch to buster then did web upgrade now when i visit page i get 503 i try to go into maintenance mode i get this root@vorman:/var/www/html/owncloud# sudo -u www-data php occ maintenance:mode --on An unhandled exception has been thrown: Error: Call to undefined function simplexml_load_file() in /var/www/html/owncloud/lib/private/App/InfoParser.php:48 Stack trace: #0 /var/www/html/owncloud/lib/private/App/AppManager.php(482): OC\App\InfoParser->…