Unexpected error when writing a .md

What version of Codex is running?

0.1.2504301751

Which model were you using?

gemini-2.5-pro-exp-03-25

What platform is your computer?

Microsoft Windows NT 10.0.26100.0 x64

What steps can reproduce the bug?

Model attempting to write a .md file produced this error

!Image

What is the expected behavior?

Parsing of markdown syntax

What do you see instead?

Error message which led to this system error when attempting to find the parsing issue with the model

system
⚠️ OpenAI rejected the request. Error details: Status: 400, Code: unknown, Type: unknown, Message: 400 status code (no body). ╯
Please verify your settings and try again.

Additional information

_No response_