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Material Version Not Found

URI: https://docs.ankatech.co/errors/material-version-not-found
HTTP Status: 404 Not Found

When you see this

The specific key material version you referenced does not exist for this key.

Common Causes

  • Referencing a material version number that was never created.
  • Using a version that has been removed.
  • A typo in the material version identifier.

Response Example

{
  "type": "https://docs.ankatech.co/errors/material-version-not-found",
  "title": "Material Version Not Found",
  "status": 404,
  "detail": "Material version '7' was not found for key 'my-mlkem-key'.",
  "instance": "/api/v3/admin/keys/my-mlkem-key/materials/7",
  "correlationId": "550e8400-e29b-41d4-a716-446655440000",
  "timestamp": 1730000000
}

Content-Type: application/problem+json — the response follows RFC 7807 Problem Details.

How to Resolve

  1. List the key's material versions to confirm which versions exist.
  2. Correct the version identifier in your request.
  3. Re-submit with a valid material version.

For full schema definitions, examples, and interactive testing, see the Developer Hub Reference.