Fission-AI/OpenSpec · error

Invalid 'schema' field in config (must be non-empty string)

Error message

Invalid 'schema' field in config (must be non-empty string)

What it means

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

Source

Thrown at src/core/project-config.ts:290

  try {
    const content = readFileSync(configPath, 'utf-8');
    const raw = parseYaml(content);

    if (!raw || typeof raw !== 'object') {
      console.warn(`openspec/config.yaml is not a valid YAML object`);
      return null;
    }

    const config: Partial<ProjectConfig> = {};

    // Parse schema field using Zod
    const schemaField = z.string().min(1);
    const schemaResult = schemaField.safeParse(raw.schema);
    if (schemaResult.success) {
      config.schema = schemaResult.data;
    } else if (raw.schema !== undefined) {
      console.warn(`Invalid 'schema' field in config (must be non-empty string)`);
    }

    // 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 {

View on GitHub (pinned to 6926ccb18a)

When it happens

Trigger: Thrown at src/core/project-config.ts:290 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/b6e271446b14eb68. Report an issue: GitHub.