Fission-AI/OpenSpec · error

Invalid 'context' field in config (must be string)

Error message

Invalid 'context' field in config (must be string)

What it means

Error "Invalid 'context' field in config (must be string)" thrown in Fission-AI/OpenSpec.

Source

Thrown at src/core/project-config.ts:309

    }

    // Parse context field with size limit
    if (raw.context !== undefined) {
      const contextField = z.string();
      const contextResult = contextField.safeParse(raw.context);

      if (contextResult.success) {
        const contextSize = Buffer.byteLength(contextResult.data, 'utf-8');
        if (contextSize > MAX_CONTEXT_SIZE) {
          console.warn(
            `Context too large (${(contextSize / 1024).toFixed(1)}KB, limit: ${MAX_CONTEXT_SIZE / 1024}KB)`
          );
          console.warn(`Ignoring context field`);
        } else {
          config.context = contextResult.data;
        }
      } else {
        console.warn(`Invalid 'context' field in config (must be string)`);
      }
    }

    // Parse rules field using Zod
    if (raw.rules !== undefined) {
      const rulesField = z.record(z.string(), z.array(z.string()));

      // First check if it's an object structure (guard against null since typeof null === 'object')
      if (typeof raw.rules === 'object' && raw.rules !== null && !Array.isArray(raw.rules)) {
        // Artifact ids are intentionally not restricted to the built-in naming
        // convention, so keys such as "constructor" remain valid for custom
        // schemas. A null-prototype map preserves those keys as data without
        // letting "__proto__" mutate the lookup object's prototype.
        const parsedRules: Record<string, string[]> = Object.create(null);
        let hasValidRules = false;

        for (const [artifactId, rules] of Object.entries(raw.rules)) {
          const rulesArrayResult = z.array(z.string()).safeParse(rules);

View on GitHub (pinned to 6926ccb18a)

When it happens

Trigger: Thrown at src/core/project-config.ts:309 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of Fission-AI/OpenSpec@6926ccb18a (2026-08-25). Data as JSON: /api/errors/a07a23f06a0f9a7b. Report an issue: GitHub.