[BUG]RAG is not available in v2.3.3

[HirokiNakatani]

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Describe the bug

I created a RAG bot with source in v2.3.3 and when I chat, an error occurs and it does not function.
[error messsage]
Failed to run stream handler: An error occurred (ValidationException) when calling the ConverseStream operation: The model returned the following errors: The guardrail can't assess the content in the guardContent field. The guardrail configuration is missing. Specify the guardrailConfig field and try again.

To Reproduce

Steps to reproduce the behavior:

1. Create RAG bot with source
2. Start chatting
   
3. An error occurred

Screenshots

Additional context

Add any other context about the problem here.

[statefb]

Could you provide more detail including logs? e.g.

• /aws/lambda/BedrockChatStack-BackendApiHandlerXXXX
• /aws/lambda/BedrockChatStack-WebSocketHandlerXXXX
• EmbeddingStateMachineXXX

[HirokiNakatani]

The problem was resolved when I updated to v2.3.4, and I'm sorry, but the logs have disappeared. If it occurs again, register the incident again.

[HirokiNakatani]

The event has been reproduced.
I will send you the error part.
/aws/lambda/BedrockChatStack-WebSocketHandlerXXXX

[HirokiNakatani]

Regarding this issue, it always seems to occur when using the guardrail function. Guardrails cannot be used.

[HirokiNakatani]

Additional information.The event was not reproduced when the grounding feature was disabled as followsThe event occurs when the grounding function is enabled.