Invalid Value: 'tools'. Function 'image_gen.imagegen' conflicts with a hosted tool in the same request

What version of the Codex App are you using (From “About Codex” dialog)?

26.707.31428

What subscription do you have?

free

What platform is your computer?

_No response_

What issue are you seeing?

"error":{"message":"Invalid Value: 'tools'. Function 'image_gen.imagegen' conflicts with a hosted tool in the same request.","type":"invalid_request_error","param":"tools","code":null}}

What steps can reproduce the bug?

codex app update chatgpt

<img width="985" height="278" alt="Image" src="https://github.com/user-attachments/assets/17c0e2a3-00f0-4f7a-b84a-e58f25d32cbe" />

What is the expected behavior?

_No response_

Additional information

_No response_