Error: Account not provisioned - cannot login after update

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Steps to reproduce

1. Updated from docker nextcloud v2025.3.2 to v2025.4.1
2. Updated from Plugin version 6.5.0 to 6.6.0
3. Try to login via previously configured Authentik SAML Provider

Expected behaviour

User can login normally

Actual behaviour

Error message (german)

Konto nicht bereitgestellt.
Ihr Konto wird nicht bereitgestellt. Der Zugriff ist daher nicht möglich.

Server configuration

Web server: Docker/Traefik

Database: PostgreSQL

PHP version: Docker

Nextcloud version: 31.0.4

Activity
4.0.0	

AppAPI
5.0.2	

Brute-force settings
4.0.0	

Collaborative tags
1.21.1	

Comments
1.21.0	

Contacts Interaction
1.12.0	

Dashboard
7.11.0	

Deleted files
1.21.0	

Draw.io
3.1.0	

Disable
File reminders
1.4.0	

File sharing
1.23.1	

Files 3d
0.5.0	

Disable
Files download limit
4.0.0	

First run wizard
4.0.0	

GitLab integration
3.1.2	

Disable
Log Reader
4.0.0	

Monitoring
3.0.0	

Nextcloud announcements
3.0.0	

Nextcloud webhook support
1.2.0	

Notifications
4.0.0	

ONLYOFFICE
9.8.0	

PDF viewer
4.0.0	

Photos
4.0.0-dev.1	

Privacy
3.0.0	

Recommendations
4.0.0	

Related Resources
2.0.0	

Share by mail
1.21.0	

SSO & SAML authentication
6.6.0	

Suspicious Login
9.0.1	

Text
5.0.0	

Update notification
1.21.0	

User status
1.11.0	

Versions
1.24.0	

Weather status
1.11.0	

If you have access to your command line run e.g.:
sudo -u www-data php occ config:list system
from within your Nextcloud installation folder

Browser

Browser name: Brave (Chrome)

Browser version: latest

Operating system: Mac

Insert your browser log here, this could for example include:
a) The javascript console log
b) The network log
c) ...

Start by reproducing the Authentik SAML login flow after upgrading Nextcloud from v2025.3.2 to v2025.4.1 and the SSO & SAML authentication app from 6.5.0 to 6.6.0. Compare the login and provisioning behavior with the previous versions; done means previously configured users can log in normally without the “Account not provisioned” error.