Update from 12.0.0 to 12.0.2

I’m trying to update our nextcloud, but no matter what option I use get the same response:
"'Updates between multiple major versions and downgrades are unsupported."

This is the result when I use the update.phar.

/var/www/nextcloud/updater# sudo -u www-data php updater.phar
Nextcloud Updater - version: v12.0.0

Current version is 12.0.0.

Update to Nextcloud 12.0.2 available. (channel: “stable”)
Following file will be downloaded automatically: https://download.nextcloud.com/server/prereleases/nextcloud-12.0.2.zip

Steps that will be executed:
[ ] Check for expected files
[ ] Check for write permissions
[ ] Enable maintenance mode
[ ] Create backup
[ ] Downloading
[ ] Verify integrity
[ ] Extracting
[ ] Replace entry points
[ ] Delete old files
[ ] Move new files in place
[ ] Done

Start update? [y/N] y

Info: Pressing Ctrl-C will finish the currently running step and then stops the updater.

[:heavy_check_mark:] Check for expected files
[:heavy_check_mark:] Check for write permissions
[:heavy_check_mark:] Enable maintenance mode
[:heavy_check_mark:] Create backup
[:heavy_check_mark:] Downloading
[:heavy_check_mark:] Verify integrity
[:heavy_check_mark:] Extracting
[:heavy_check_mark:] Replace entry points
[:heavy_check_mark:] Delete old files
[:heavy_check_mark:] Move new files in place
[:heavy_check_mark:] Done

Update of code successful.

Should the “occ upgrade” command be executed? [Y/n] Y
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
Set log level to debug
Exception: Updates between multiple major versions and downgrades are unsupported.
Update failed
Maintenance mode is kept active
Reset log level

Keep maintenance mode active? [y/N] N

Hope someone could help.

David