> ## Documentation Index
> Fetch the complete documentation index at: https://docs.methodfi.com/llms.txt
> Use this file to discover all available pages before exploring further.

# File Errors

## Request Errors

The request to the `/files/{file_id}` or `/files/{file_id}/download` endpoint failed. These are the `sub_type` that can be returned.

### `NOT_FOUND`

The requested File does not exist.

## File Content Errors

These `sub_type` can be returned by both [Retrieve a File](/2024-04-04/reference/files/retrieve) and [Download a File](/2024-04-04/reference/files/download), since both resolve the File's contents.

### `FILE_SOURCE_URL_MISSING`

The File has no downloadable contents. This can occur if the artifact upload never completed. Contact Method if this persists.

### `FILE_SOURCE_URL_INVALID`

The File's contents could not be resolved. Contact Method if this persists.

### `FILE_DOWNLOAD_URL_FAILED`

A temporary failure occurred while generating the download URL or streaming the File's contents. Retry the request.

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