403 Forbidden error in the middle of normal usage

What version of Codex CLI is running?

0.121.0

What subscription do you have?

Not sure. It's a business license, though

Which model were you using?

gpt-5.4-mini medium

What platform is your computer?

Microsoft Windows NT 10.0.26200.0 x64

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

Windows Developer Command Prompt VS2022

What issue are you seeing?

Just started getting this error during normal usage: Error running remote compact task: unexpected status 403 Forbidden: Unknown error, url:
https://chatgpt.com/backend-api/codex/responses/compact, cf-ray: 9ef4e6b21dfa247e-EWR

Started a new instance of codex in another shell window, still a 403 error preventing use.

What steps can reproduce the bug?

Uploaded thread: 019daaaf-370a-7dc2-a415-09e8080bd7a8
Uploaded thread: 019dab58-67b9-7eb2-b758-3b448dbe8442

What is the expected behavior?

_No response_

Additional information

_No response_