# Not found error

**HTTP status:** `404 Not Found`

**Content-Type:** `application/problem+json`

**type:** `https://truescreen.redocly.app/errors/not-found-error`

This error is returned when the requested resource does not exist or is not accessible with the provided credentials.

## Associated error codes

| Code | Detail | Example |
|  --- | --- | --- |
| `TS-010` | Certification not found. | The `reportId` does not match any certification in the workspace |


## Example response


```json
{
  "type": "https://truescreen.redocly.app/errors/not-found-error",
  "title": "Not found error",
  "status": 404,
  "detail": "Certification not found.",
  "code": "TS-010"
}
```

## How to resolve

1. Verify that **`reportId`** is correct (it is the value returned in the certification creation response).
2. Ensure the API key belongs to the workspace where the certification was created.