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....

2023-05-20