Unknown parameter: 'input[270].metadata'. #29469

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

Version 26.616.51431 • Released Jun 21, 2026

What subscription do you have?

Azure OpenAI API

What platform is your computer?

Darwin 25.3.0 arm64 arm

What issue are you seeing?

This happens randomly amidst a conversation with Codex, the issue is replicable on both Codex app and Codex in VS Code.

What steps can reproduce the bug?

This happens almost everytime in the middle of a conversation, not sure how can I help with exact reproduction steps.

What is the expected behavior?

The conversation should keep on going, right now I've to start a new chat and hope I can get significant work done before it interrupts the chat again.

Additional information

No response