3 people reported

All time, since Oct 1, including 1 thumbs-up on GitHub.

Compaction fails with context-window error in long-running threads

“The affected conversation could not recover in place: follow-up messages and an explicit /compact request failed with the same error.”

Is this your bug? What gets counted gets fixed. Pile on.

Paste this into your agent. It files your report, with your error and version.

I hit this bug: rapsheet.dev/sheets/codex/issues/13665/file
Follow it to file my report. Show me the text before you send.

No install. No account. Public and anonymous. The link asks your agent for one report, nothing else. What it sends

Automatic compaction, manual /compact, and follow-up messages all return the same error, leaving the conversation unusable.

Is this your bug?

File my report
Where
Desktop app
Error text
Error running remote compact task: Codex ran out of room in the model's context window. Start a new thread or clear earlier history before retrying.
Versions
26.930.4958.0
Platforms
macOS, Windows
How bad
Breaks a normal workflow.

Part of: Compaction fails, thread stuck3 bugs

  1. Remote compaction stream failure6 people
  2. Compaction stuck on gpt-5.54 people

Not quite your bug?

  1. Compaction resumes stale request8 people

Original reports2, newest first

  1. Windows: automatic and manual compaction fail with context-window overflow, blocking a 51-day goalOn GitHub#51368
  2. Codex Desktop: multi-hour stall exhausts context and /compact cannot recover the chatOn GitHub#50123

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