Problem mirgrating OwnCloud to Nextcloud

Hi,
I think I have distroyed my Cloud while Upgrading it to Nextcloud.

I had run OwnCloud (I think Version 9 or so) on my Server without Problems. Now there was an Notice that I have to Upgrade to 9.1 (or so) an I decidet to upgrade to Nextcloud.

So I backed up my DB, the data and config folders. Then I deleted the Owncloud Folder an extracted the newest Nextcloud Version in the Folder. Then I copied back the data and config folder, changed to the CLI and write

sudo -u www-data php occ upgrade

But it outputs the following:

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

Momently I think I should had upgrade to the newest OwnCloud Version and then change to nextcloud. But I read in a many Blogposts that NextCloud is compatible with Owncloud and I can just copy it over. So I had tried it.

Sorry becouse my bad english. I hope you can understand what I mean.

And thanks for all replys.

That might explain why you are unable to upgrade.

hm

does it mean that I have to delete the files from the server again, download https://nextcloud.com/changelog/#latest9, upgrade it and then delete the data egain to update to https://nextcloud.com/changelog/#latest10 ???

That might mean that an app needs to be disabled before the update can start

How can I disable an App without the webinterface?

https://docs.nextcloud.com/server/11/admin_manual/configuration_server/occ_command.html#apps-commands-label

Ok,
thanks. The command looks easy.

this apps are enabled:

Enabled:

  • activity: 2.2.1
  • comments: 0.2
  • dav: 0.1.6
  • external: 1.2
  • federatedfilesharing: 0.1.0
  • federation: 0.0.4
  • files: 1.4.4
  • files_pdfviewer: 0.8.1
  • files_sharing: 0.9.1
  • files_texteditor: 2.1
  • files_trashbin: 0.8.0
  • files_versions: 1.2.0
  • files_videoplayer: 0.9.8
  • firstrunwizard: 1.1
  • lookup_server_connector: true
  • notifications: 0.2.3
  • provisioning_api: 0.4.1
  • systemtags: 0.2
  • templateeditor: 0.1
  • twofactor_backupcodes: true
  • updatenotification: 0.1.0
  • workflowengine: true

Should I disable all Apps or how can I find out which of them makes the problem?

This wath in my case the solution. It works again.

Thanks for the help.