openai/codex · error · std::io::Error

agent role file at {} must define a non-empty `name`

Error message

agent role file at {} must define a non-empty `name`

What it means

Error "agent role file at {} must define a non-empty `name`" thrown in openai/codex.

Source

Thrown at codex-rs/core/src/config/agent_roles.rs:277

    let description = normalize_agent_role_description(
        &format!("agent role file {}.description", role_file_label.display()),
        parsed.description.as_deref(),
    )?;
    validate_agent_role_file_developer_instructions(
        role_file_label,
        parsed.config.developer_instructions.as_deref(),
        role_name_hint.is_none(),
    )?;

    let role_name = parsed
        .name
        .as_deref()
        .map(str::trim)
        .filter(|name| !name.is_empty())
        .map(ToOwned::to_owned)
        .or_else(|| role_name_hint.map(ToOwned::to_owned))
        .ok_or_else(|| {
            std::io::Error::new(
                std::io::ErrorKind::InvalidInput,
                format!(
                    "agent role file at {} must define a non-empty `name`",
                    role_file_label.display()
                ),
            )
        })?;

    let nickname_candidates = normalize_agent_role_nickname_candidates(
        &format!(
            "agent role file {}.nickname_candidates",
            role_file_label.display()
        ),
        parsed.nickname_candidates.as_deref(),
    )?;

    let mut config = role_file_toml;
    let Some(config_table) = config.as_table_mut() else {

View on GitHub (pinned to 339751715c)

Solutions

1. Add a non-empty `name` field to the agent role file.

When it happens

Trigger: Thrown at codex-rs/core/src/config/agent_roles.rs:277 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/c7b8e6b660feadcf. Report an issue: GitHub.