openai/codex · error · Error

invalid example: {0}

Error message

invalid example: {0}

What it means

Error "invalid example: {0}" thrown in openai/codex.

Source

Thrown at codex-rs/execpolicy/src/error.rs:30

#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub struct TextRange {
    pub start: TextPosition,
    pub end: TextPosition,
}

#[derive(Debug, Clone, PartialEq, Eq)]
pub struct ErrorLocation {
    pub path: String,
    pub range: TextRange,
}

#[derive(Debug, Error)]
pub enum Error {
    #[error("invalid decision: {0}")]
    InvalidDecision(String),
    #[error("invalid pattern element: {0}")]
    InvalidPattern(String),
    #[error("invalid example: {0}")]
    InvalidExample(String),
    #[error("invalid rule: {0}")]
    InvalidRule(String),
    #[error(
        "expected every example to match at least one rule. rules: {rules:?}; unmatched examples: \
         {examples:?}"
    )]
    ExampleDidNotMatch {
        rules: Vec<String>,
        examples: Vec<String>,
        location: Option<ErrorLocation>,
    },
    #[error("expected example to not match rule `{rule}`: {example}")]
    ExampleDidMatch {
        rule: String,
        example: String,
        location: Option<ErrorLocation>,
    },

View on GitHub (pinned to 339751715c)

When it happens

Trigger: Thrown at codex-rs/execpolicy/src/error.rs:30 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/bddd35f2da0734ab. Report an issue: GitHub.