[Bug] Unable to add alternate app stores – "store root not found" error

[dragenox]

Description

When adding an alternate app store via the App Store UI, a success message is shown:

"Updating the information source of the app store is complete."

However:

• No new apps are loaded
• The store does not appear functional
• CLI shows internal errors

To Reproduce

1. Go to 'CasaOS Dashboard'
2. Click on 'App Store'
3. Click on '## Apps' dropdown
4. Click on 'More Apps'
5. Paste app store link from Awesome Store list
   e.g. https://casaos-appstore.paodayag.dev/linuxserver.zip
6. Click on 'Add'
7. See error

or Follow CLI commands in Behaviour - CLI output

Screenshots

Environment

CasaOS version: 0.4.15

CasaOS CLI version: 0.4.4
(build time: 2023-11-20T09:52:33Z, commit: 51949f2cdc71eaec41db443fb93d8178ca6e5192)

OS: OMV 8.1.0-2 (Synchrony)
BaseOS: Debian GNU/Linux 13 (trixie) x86_64
Installation type: OMV VM

RAM: 8GB
LVM-DISK: 64GB

Behaviour

1. Add alternate store via UI
2. UI shows success message
3. No new apps are loaded

CLI output:

root@omv:~# casaos-cli app-management list app-stores
ID   URL                                                                     STORE ROOT
--   ---                                                                     ----------
0    https://casaos.app/store/main.zip                                       internal error - store root not found
1    https://github.com/IceWhaleTech/_appstore/archive/refs/heads/main.zip   internal error - store root not found
root@omv:~# casaos-cli app-management register app-store https://casaos-appstore.paodayag.dev/linuxserver.zip
trying to register app store asynchronously - see /var/log/casaos/app-management.log for any errors.
root@omv:~# systemctl restart casaos-app-management && systemctl restart casaos
root@omv:~# casaos-cli app-management list app-stores
ID   URL                                                                     STORE ROOT
--   ---                                                                     ----------
0    https://casaos.app/store/main.zip                                       internal error - store root not found
1    https://github.com/IceWhaleTech/_appstore/archive/refs/heads/main.zip   internal error - store root not found

Expected Behavior

Alternate app store should register successfully and load apps.

Actual Behavior

• CLI shows: internal error - store root not found
• UI shows success but nothing loads

Additional Comments

• System was updated on 13/02/2026 using
  curl -fsSL https://get.casaos.io/update | sudo bash
• Log file was edited to mask personal info.

Logs

See attached file:
app-management_masked.log