Debugging Filestash 'Invalid Account': How...

The Problem Filestash's passthrough auth returns "Invalid account" on login. The backend is configured to forward credentials to the local SSH server (OpenSSH on the same machine). SSH works fine when tested directly. Password auth is enabled. SYST INFO [auth] status=failed user=myuser backend=sftp err=Invalid+account HTTP 307 POST 4.7ms /api/session/auth/?label=sftp Environment: Filestash running in Docker (bridge network 172.20.0.0/16) SSH server on host: 192.168.1.x:22, listening on 0.0.0.0:2