openai/codex · error

invalid shell environment policy in {}: {error}

Error message

invalid shell environment policy in {}: {error}

What it means

Error "invalid shell environment policy in {}: {error}" thrown in openai/codex.

Source

Thrown at codex-rs/config/src/state.rs:514

    /// Requirement sources are tracked separately and are not included here.
    pub fn all_layers_low_to_high(&self) -> impl DoubleEndedIterator<Item = &ConfigLayerEntry> {
        self.layers.iter()
    }

    /// Returns all config layers, including disabled layers, from highest
    /// precedence to lowest.
    ///
    /// Requirement sources are tracked separately and are not included here.
    pub fn all_layers_high_to_low(&self) -> impl DoubleEndedIterator<Item = &ConfigLayerEntry> {
        self.all_layers_low_to_high().rev()
    }
}

/// Validates before merging so mixed forms and malformed filter entries cannot be normalized away.
pub(crate) fn validate_enabled_config_layers(layers: &[ConfigLayerEntry]) -> std::io::Result<()> {
    for layer in layers.iter().filter(|layer| !layer.is_disabled()) {
        validate_shell_environment_policy_filter_config(&layer.config).map_err(|error| {
            std::io::Error::new(
                std::io::ErrorKind::InvalidData,
                format!(
                    "invalid shell environment policy in {}: {error}",
                    format_config_layer_source(&layer.name, CONFIG_TOML_FILE)
                ),
            )
        })?;
    }
    Ok(())
}

/// Ensures precedence ordering of config layers is correct.
fn verify_layer_ordering(layers: &[ConfigLayerEntry]) -> std::io::Result<()> {
    if !layers.iter().map(|layer| &layer.name).is_sorted() {
        return Err(std::io::Error::new(
            std::io::ErrorKind::InvalidData,
            "config layers are not in correct precedence order",
        ));

View on GitHub (pinned to 339751715c)

Solutions

1. Fix the shell environment policy entries in the indicated file per the reported error.

When it happens

Trigger: Thrown at codex-rs/config/src/state.rs:514 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/8e4ffcf35f3b6321. Report an issue: GitHub.