{"record":{"id":"1a353e52f0027edc","repo":"openai/codex","slug":"failed-to-deserialize-agent-role-file-at-err","errorCode":null,"errorMessage":"failed to deserialize agent role file at {}: {err}","messagePattern":"failed to deserialize agent role file at (.+?): (.+?)","errorType":"validation","errorClass":"std::io::Error","httpStatus":null,"severity":"error","filePath":"codex-rs/core/src/config/agent_roles.rs","lineNumber":251,"sourceCode":"\npub(crate) fn parse_agent_role_file_contents(\n    contents: &str,\n    role_file_label: &Path,\n    config_base_dir: &Path,\n    role_name_hint: Option<&str>,\n) -> std::io::Result<ResolvedAgentRoleFile> {\n    let role_file_toml: TomlValue = toml::from_str(contents).map_err(|err| {\n        std::io::Error::new(\n            std::io::ErrorKind::InvalidData,\n            format!(\n                \"failed to parse agent role file at {}: {err}\",\n                role_file_label.display()\n            ),\n        )\n    })?;\n    let _guard = AbsolutePathBufGuard::new(config_base_dir);\n    let parsed: RawAgentRoleFileToml = role_file_toml.clone().try_into().map_err(|err| {\n        std::io::Error::new(\n            std::io::ErrorKind::InvalidData,\n            format!(\n                \"failed to deserialize agent role file at {}: {err}\",\n                role_file_label.display()\n            ),\n        )\n    })?;\n    let description = normalize_agent_role_description(\n        &format!(\"agent role file {}.description\", role_file_label.display()),\n        parsed.description.as_deref(),\n    )?;\n    validate_agent_role_file_developer_instructions(\n        role_file_label,\n        parsed.config.developer_instructions.as_deref(),\n        role_name_hint.is_none(),\n    )?;\n\n    let role_name = parsed","sourceCodeStart":233,"sourceCodeEnd":269,"githubUrl":"https://github.com/openai/codex/blob/339751715c64496cb86246bfb3935f40e309dd3d/codex-rs/core/src/config/agent_roles.rs#L233-L269","documentation":"Error \"failed to deserialize agent role file at {}: {err}\" thrown in openai/codex.","triggerScenarios":"Thrown at codex-rs/core/src/config/agent_roles.rs:251 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Fix the agent role file fields to match the expected schema."],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"339751715c64496cb86246bfb3935f40e309dd3d","analyzedAt":"2026-08-25T05:35:09.876Z","schemaVersion":2},"datasetVersion":"2026-08-25T06:17:31.827Z"}