⚠️ This issue respects the following points: ⚠️

• This is a bug, not a question or a configuration/webserver/proxy issue.
• This issue is not already reported on Github OR Nextcloud Community Forum (I've searched it).
• Nextcloud Server is up to date. See Maintenance and Release Schedule for supported versions.
• I agree to follow Nextcloud's Code of Conduct.

Bug description

Hi, I get following issue when the web-updater failes:

`Update vorbereiten

Log-Level auf "debug" gesetzt

Wartungsmodus eingeschaltet

Reparaturschritt: Repair MySQL collation

Reparaturinformation: All tables already have the correct collation -> nothing to do

Reparaturschritt: Copy data from accounts table when migrating from ownCloud

Reparaturschritt: Drop account terms table when migrating from ownCloud

Das Datenbankschema wird aktualisiert

Exception: Database error when running migration 33000Date20251209123503 for app core Index "mounts_user_root_path_index" does not exist on table "oc_mounts".`

Steps to reproduce

Expected behavior

The update failes

Nextcloud Server version

32

Operating system

None

PHP engine version

PHP 8.2

Web server

None

Database engine version

None

Is this bug present after an update or on a fresh install?

None

Are you using the Nextcloud Server Encryption module?

None

What user-backends are you using?

• Default user-backend (database)
• LDAP/ Active Directory
• SSO - SAML
• Other

Configuration report

List of activated Apps

Nextcloud Signing status

Nextcloud Logs

Additional info

No response