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

# parameter_invalid_string

> A string parameter has an invalid format or length.

| Status | Type |
| - | - |
| `400` | `invalid_request_error` |

A string failed a format, pattern, or length check.

## How to fix

`invalid-params[].reason` gives the expected format.


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