Issues with pre-releases

[solracsf]

# php /var/www/nextcloud/updater/updater.phar --no-backup
Nextcloud Updater - version: v27.1.0rc3-15-gfa7af53

Current version is 27.1.6.

Update to Nextcloud 27.1.7 RC1 available. (channel: "beta")
Following file will be downloaded automatically: https://ncdownload.octopuce.fr/server/prereleases/nextcloud-27.1.7rc1.zip

Steps that will be executed:
[ ] Check for expected files
[ ] Check for write permissions
[ ] Create backup
[ ] Downloading
[ ] Verify integrity
[ ] Extracting
[ ] Enable maintenance mode
[ ] 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.

[✔] Check for expected files
[✔] Check for write permissions
[✔] Create backup
[✘] Downloading failed
Download failed - Not Found (HTTP 404) - URL: https://ncdownload.octopuce.fr/server/prereleases/nextcloud-27.1.7rc1.zip

Update failed. To resume or retry just execute the updater again.