openai/codex · error · anyhow::Error

reasoning item in payload {} had unsupported content type {i

Error message

reasoning item in payload {} had unsupported content type {item_type}

What it means

Error "reasoning item in payload {} had unsupported content type {item_type}" thrown in openai/codex.

Source

Thrown at codex-rs/rollout-trace/src/reducer/conversation/normalize.rs:329

    }
    let Some(items) = items.as_array() else {
        bail!(
            "reasoning item in payload {} had non-array {key}",
            raw_payload.raw_payload_id
        );
    };

    for content_item in items {
        let Some(item_type) = content_item.get("type").and_then(Value::as_str) else {
            bail!(
                "reasoning item in payload {} had {key} entry without string type",
                raw_payload.raw_payload_id
            );
        };
        let expected_type = match kind {
            ReasoningPartKind::Content => {
                if !matches!(item_type, "reasoning_text" | "text") {
                    bail!(
                        "reasoning item in payload {} had unsupported content type {item_type}",
                        raw_payload.raw_payload_id
                    );
                }
                "content"
            }
            ReasoningPartKind::Summary => {
                if item_type != "summary_text" {
                    bail!(
                        "reasoning item in payload {} had unsupported summary type {item_type}",
                        raw_payload.raw_payload_id
                    );
                }
                "summary"
            }
        };

        let Some(text) = content_item.get("text").and_then(Value::as_str) else {

View on GitHub (pinned to 339751715c)

When it happens

Trigger: Thrown at codex-rs/rollout-trace/src/reducer/conversation/normalize.rs:329 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/ddd864081422e841. Report an issue: GitHub.