# Contract unsupported

URL: /code/api/errors/contract-unsupported · Id: `error:contract-unsupported`

> A Service Offer promises a remedy or a pricing basis that its Service’s checks cannot back.

A [Service](/business/nouns/service) [Offer](/business/nouns/offer) promises a remedy or a pricing basis that its Service’s checks cannot back.

| Property | Value |
| --- | --- |
| Type | `https://startupbuilder.dev/errors/contract-unsupported` |
| Status | `422` |
| Fix | Add a stronger check to the Service’s steps, or offer a cheaper remedy or basis, then publish again. |
| Raised by | [Offer.publish](/business/nouns/offer/publish) |