Stream disconnected error #27675

What version of Codex CLI is running?

codex-cli 0.139.0

What subscription do you have?

Pro

Which model were you using?

gpt-5.5-high

What platform is your computer?

Darwin 24.4.0 arm64 arm

What terminal emulator and version are you using (if applicable)?

iTerm

Codex doctor report

codex doctor took too long, it seemed to have hanged for some reason.

What issue are you seeing?

can't continue session, codex CLI keeps failing to connect to the Open API backend and returns the following error:

⚠ Falling back from WebSockets to HTTPS transport. stream disconnected before completion: An error occurred while processing your request. You can retry your request, or contact us through our help center at
  help.openai.com if the error persists. Please include the request ID 42428ba5-0342-4c5d-a63d-8d1d03d0b61c in your message.

■ stream disconnected before completion: An error occurred while processing your request. You can retry your request, or contact us through our help center at help.openai.com if the error persists. Please include
the request ID ae97310c-778d-4941-b4e0-4b4ccf52e8c7 in your message.

What steps can reproduce the bug?

FIre up codex CLI, choose 5.5 and try to query it.

It happened all of the sudden after a while, all of my codex isntances are failing. Seems to be an Open AI backend issue?

What is the expected behavior?

No response

Additional information

No response