openai/codex · error · Error

Codex config override at ${path} must be a finite number

Error message

Codex config override at ${path} must be a finite number

What it means

Error "Codex config override at ${path} must be a finite number" thrown in openai/codex.

Source

Thrown at sdk/typescript/src/exec.ts:312

    }
    if (child === undefined) {
      continue;
    }
    const path = prefix ? `${prefix}.${key}` : key;
    if (isPlainObject(child)) {
      flattenConfigOverrides(child, path, overrides);
    } else {
      overrides.push(`${path}=${toTomlValue(child, path)}`);
    }
  }
}

function toTomlValue(value: CodexConfigValue, path: string): string {
  if (typeof value === "string") {
    return JSON.stringify(value);
  } else if (typeof value === "number") {
    if (!Number.isFinite(value)) {
      throw new Error(`Codex config override at ${path} must be a finite number`);
    }
    return `${value}`;
  } else if (typeof value === "boolean") {
    return value ? "true" : "false";
  } else if (Array.isArray(value)) {
    const rendered = value.map((item, index) => toTomlValue(item, `${path}[${index}]`));
    return `[${rendered.join(", ")}]`;
  } else if (isPlainObject(value)) {
    const parts: string[] = [];
    for (const [key, child] of Object.entries(value)) {
      if (!key) {
        throw new Error("Codex config override keys must be non-empty strings");
      }
      if (child === undefined) {
        continue;
      }
      parts.push(`${formatTomlKey(key)} = ${toTomlValue(child, `${path}.${key}`)}`);
    }

View on GitHub (pinned to 339751715c)

Solutions

1. Set the override at the given path to a finite number instead of NaN or Infinity.

When it happens

Trigger: Thrown at sdk/typescript/src/exec.ts:312 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/8efc782733bd2c3c. Report an issue: GitHub.