# 503 engine_error

**Engine error**

The enrichment engine failed to produce a result. This attempt is not billable.

- HTTP status: 503
- Problem identifier (`type` field): `https://developer.noryo.app/errors/engine_error`

[← Errors — Merchant API](https://developer.noryo.app/en-GB/errors)

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Canonical page: https://developer.noryo.app/en-GB/errors/engine_error