Storage errors

401 / redirect to /oauth/login

Missing cookie on private APIs. AuthenticationRedirectMiddleware turns 401 into 302 /oauth/login (browser-friendly, bad for machine clients).

401 Invalid access key / password

Invalid access key.
Invalid file password.
This file requires an access key.

404

Folder/file not found, or Invalid mode. on public verify.

Quota / validation

Workspace quota exceeded. / Single file exceeds allowed limit. / Extension not allowed. / Mime type not allowed. / File is empty.

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