Upgrading major version Nextcloud
For those who have been facing the “Maintenance mode active” after applied a nextcloud upgrade by switching container image version, due a major versioning issue. Even when you issue the occ upgrade into continer you gets hit by something like below: www-data@87401bdd2fa8:~/html$ php /var/www/html/occ upgrade Nextcloud or one of the apps require upgrade - only a limited number of commands are available You may use your browser or the occ upgrade command to do the upgrade Setting log level to debug Exception: Updates between multiple major versions and downgrades are unsupported. Update failed Maintenance mode is kept active Resetting log level Keep a eye on this part: Updates between multiple major versions and downgrades are unsupported. as I was running 25 version I can no jump for above 27, if that’s our case, we can edit the file app/config/config.php edit the version of your nextcloud like below: ...