Bug Report unexpected status 400 Bad Request

Resolved 💬 5 comments Opened Nov 19, 2025 by Iydah Closed Nov 19, 2025
💡 Likely answer: A maintainer (etraut-openai, contributor) responded on this thread — see the highlighted reply below.

What version of Codex is running?

codex-cli 0.60.1

What subscription do you have?

ChatGPT Pro

Which model were you using?

GPT 5 Codex-MAX (XTRA)

What platform is your computer?

Linux 6.6.87.2-microsoft-standard-WSL2 x86_64 x86_64

What issue are you seeing?

unexpected status 400 Bad Request: {
"error": {
"message": "Missing required parameter: 'input[399].id'.",
"type": "invalid_request_error",
"param": "input[399].id",
"code": "missing_required_parameter"
}
}

• Feedback uploaded. Please open an issue using the following URL:

https://github.com/openai/codex/issues/new?template=2-bug-report.yml&steps=Uploaded%20thread:%20019a9dc9-184c-7243-b7d5-
d42185571b32

Or mention your thread ID 019a9dc9-184c-7243-b7d5-d42185571b32 in an existing issue.

› continue

■ unexpected status 400 Bad Request: {
"error": {
"message": "Missing required parameter: 'input[399].id'.",
"type": "invalid_request_error",
"param": "input[399].id",
"code": "missing_required_parameter"
}
}

What steps can reproduce the bug?

Uploaded thread: 019a9dc9-184c-7243-b7d5-

Using codex regularly

What is the expected behavior?

To work

Additional information

_No response_

View original on GitHub ↗

5 Comments

danielgwilson · 9 months ago

Same, MacOS 26.0.1

unexpected status 400 Bad Request: {
  "error": {
    "message": "Missing required parameter: 'input[18].id'.",
    "type": "invalid_request_error",
    "param": "input[18].id",
    "code": "missing_required_parameter"
  }
}
constantin-barbu · 9 months ago

Same, MacOS 26.1, Codex 0.60.1, all models affected. First shows Reconnecting..., then this is the failure message.

■ unexpected status 400 Bad Request: {
"error": {
"message": "Missing required parameter: 'input[21].id'.",
"type": "invalid_request_error",
"param": "input[21].id",
"code": "missing_required_parameter"
}
}

etraut-openai contributor · 9 months ago

Thanks for the bug report. We're aware of the issue and are actively investigating. Closing this in favor of #6925, which we're using to track this issue.

etraut-openai contributor · 9 months ago

As a temporary workaround, disable the web search tool.

Iydah · 9 months ago

@etraut-openai yep i did just recently see that and was going to test it and close thanks for the response :)