# Player identity proof is invalid

> Canonical HTML: https://screenrig.ai/problems/proof-invalid/

HTTP 401 · `proof_invalid`

## What it means

The API answers with HTTP 401 Unauthorized and an `application/problem+json` document when the condition is Player identity proof is invalid. The document's `type` member is `https://screenrig.ai/problems/proof-invalid`, the address of this page, and its `code` member is `proof_invalid`.

## What to do

The signed proof did not verify. Re-sign the request with the Player key over the exact request, then retry.

## Player action

The Player action class is `retry_backoff`: Retry the same request on the backoff schedule, never sooner than Retry-After.

## Reference

| Field | Value |
| --- | --- |
| Code | `proof_invalid` |
| HTTP status | `401 Unauthorized` |
| Type | `https://screenrig.ai/problems/proof-invalid` |
| Player action | `retry_backoff` |

- [All problem types](https://screenrig.ai/problems/)
- [API reference](https://screenrig.ai/docs/api/#problems)
- [Problem registry YAML](https://screenrig.ai/docs/api/problems.yaml)