Unable to use AI with XCode 26.2

I decided to try out XCode 26.2s new AI abilities but I only get a "Your request couldn't be completed". When clicking the details button I get see this error:

InferenceError::unspecifiedUnderlyingError::Error(message: "Unknown parameter: 'tool_call_outputs'.", type: "invalid_request_error", code: Optional("unknown_parameter"), privacyPassRedemptionResponse: nil, userFacingLocalizedErrorMessage: nil)

How do I fix that?

Thanks for reaching out. Does that happen for every prompt you try to send? If so, can you try updating to Xcode 26.3 which contains some important quality fixes.

If not, could you please file a Feedback Request and attach the archive produced by the sysdiagnose command so we can take a look? Thank you!

Unable to use AI with XCode 26.2
 
 
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