openai/codex · error · anyhow::Error

thread references an unknown section: {id}

Error message

thread references an unknown section: {id}

What it means

Error "thread references an unknown section: {id}" thrown in openai/codex.

Source

Thrown at codex-rs/state/src/model/thread_metadata.rs:585

            section_position,
            section_entered_at_ms,
            project_id,
            git_sha,
            git_branch,
            git_origin_url,
        } = row;
        let thread_source = thread_source
            .map(|thread_source| thread_source.parse())
            .transpose()
            .map_err(anyhow::Error::msg)?;
        let history_mode = history_mode.parse().map_err(anyhow::Error::msg)?;
        let section = match (section, section_name) {
            (Some(id), Some(name)) => {
                Some(ThreadSection::from_row((id, name, section_appearance))?)
            }
            (None, None) => None,
            (Some(id), None) => {
                return Err(anyhow::anyhow!(
                    "thread references an unknown section: {id}"
                ));
            }
            (None, Some(name)) => {
                return Err(anyhow::anyhow!(
                    "thread has a section name without a section id: {name}"
                ));
            }
        };
        Ok(Self {
            id: ThreadId::try_from(id)?,
            rollout_path: PathBuf::from(rollout_path),
            created_at: epoch_millis_to_datetime(created_at)?,
            updated_at: epoch_millis_to_datetime(updated_at)?,
            recency_at: epoch_millis_to_datetime(recency_at)?,
            source,
            history_mode,
            thread_source,

View on GitHub (pinned to 339751715c)

When it happens

Trigger: Thrown at codex-rs/state/src/model/thread_metadata.rs:585 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of openai/codex@339751715c (2026-08-25). Data as JSON: /api/errors/46799aff364d5d20. Report an issue: GitHub.