SFTP access revoked
The SFTP authenticator rejected the login: this member’s SFTP credential is revoked or disabled. Short API message used by the internal SFTP auth path (403).
Why this happens
An admin revoked SFTP for the account (or a ban/disable flow cleared it). Password may still be “correct,” but revokedAt is set or enabled is false, so auth stops before picking a storage server.
Diagnose and fix
1. Admin → Files → SFTP → Revoked users — find the account and Restore.
2. Or restore from the main SFTP ingestion / sessions UI if that is how you revoked them.
3. Confirm site SFTP mod and tier FTP switches are still on (otherwise they may hit a different message after restore).
4. Ask the member to reconnect with the credentials shown on Manage Account → SFTP.