# InternalServerException
<a name="API_InternalServerException"></a>

An internal server error occurred. Please try again later.

HTTP Status Code returned: 500

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

 ** message **   <a name="novaact-Type-InternalServerException-message"></a>
The service encountered an internal error. Try again later.  
Type: String  
Pattern: `[\s\S]+`   
Required: Yes

 ** reason **   <a name="novaact-Type-InternalServerException-reason"></a>
The reason for the internal server error.  
Type: String  
Valid Values: `InvalidModelGeneration | RequestTokenLimitExceeded`   
Required: No

 ** Retry-After **   <a name="novaact-Type-InternalServerException-retryAfterSeconds"></a>
The number of seconds to wait before retrying the request.  
Type: Integer  
Required: No

## See Also
<a name="API_InternalServerException_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/nova-act-2025-08-22/InternalServerException)