PDM + Pocket ID + OIDC ?

[doge]

Hello i try to use Pocket ID with PDM and have 400 error.
Please do a tutorial to set it up.

This works with Proxmox :
https://pocket-id.org/docs/client-examples/proxmox

This does not work with PBS:
https://pocket-id.org/docs/client-examples/proxmox-backup

Best Regards