# 400 unsupported_canonicalization

**Unsupported canonicalization**

The requested canonicalization version is not supported.

- HTTP status: 400
- Problem identifier (`type` field): `https://developer.noryo.app/errors/unsupported_canonicalization`

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

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