No image data in response. Output types: ${data.output?.map(

Error message

No image data in response. Output types: ${data.output?.map((o: any) => o.type).join(", ") || "none"}

What it means

Error "No image data in response. Output types: ${data.output?.map((o: any) => o.type).join(", ") || "none"}" thrown in garrytan/gstack.

Source

Thrown at design/src/generate.ts:81

      const error = await response.text();
      if (response.status === 403 && error.includes("organization must be verified")) {
        throw new Error(
          "OpenAI organization verification required.\n"
          + "Go to https://platform.openai.com/settings/organization to verify.\n"
          + "After verification, wait up to 15 minutes for access to propagate.",
        );
      }
      throw new Error(`API error (${response.status}): ${error.slice(0, 200)}`);
    }

    const data = await response.json() as any;

    const imageItem = data.output?.find((item: any) =>
      item.type === "image_generation_call"
    );

    if (!imageItem?.result) {
      throw new Error(
        `No image data in response. Output types: ${data.output?.map((o: any) => o.type).join(", ") || "none"}`
      );
    }

    return {
      responseId: data.id,
      imageData: imageItem.result,
    };
  } finally {
    clearTimeout(timeout);
  }
}

/**
 * Generate a single mockup from a brief.
 */
export async function generate(options: GenerateOptions): Promise<GenerateResult> {
  const apiKey = requireApiKey();

View on GitHub (pinned to 94993f7401)

When it happens

Trigger: Thrown at design/src/generate.ts:81 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of garrytan/gstack@94993f7401 (2026-08-12). Data as JSON: /api/errors/7470527438bb9839. Report an issue: GitHub.