# ValidationException
<a name="API_ValidationException"></a>

The operation failed due to an invalid or malformed request.

HTTP Status Code returned: 400

## Contents
<a name="API_ValidationException_Contents"></a>

 ** message **   <a name="keyspaces-Type-ValidationException-message"></a>
The request parameters are invalid or malformed. Review the API documentation and correct the request format.  
Type: String  
Required: No

## See Also
<a name="API_ValidationException_SeeAlso"></a>

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/keyspaces-2022-02-10/ValidationException)