zero_runner_failed

The Zero runner process exited without a valid response.

How to resolve: Inspect runtime logs and rebuild the Zero project with the current runner.

Error shape

Every Spacefast API error is an RFC 9457 problem document, served as application/problem+json.

code is stable and machine-readable.
type links to this page.
title is a short label.
status repeats the HTTP status.
detail explains this occurrence.
pointer, when present, is an RFC 6901 JSON Pointer at the offending field in the request body.
details, when present, carries structured context.

Match on code, never on detail.

{
  "type": "https://spacefast.com/docs/errors/zero_runner_failed",
  "title": "Zero runner failed",
  "status": 400,
  "detail": "The Zero runner process exited without a valid response.",
  "code": "zero_runner_failed",
  "requestId": "req_4mz0v8qk"
}

See the full list of error codes in the error reference.