garrytan/gstack · error

No image data in response

Error message

No image data in response

What it means

Error "No image data in response" thrown in garrytan/gstack.

Source

Thrown at design/src/evolve.ts:88

    });

    if (!response.ok) {
      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, 300)}`);
    }

    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");
    }

    fs.mkdirSync(path.dirname(options.output), { recursive: true });
    const imageBuffer = Buffer.from(imageItem.result, "base64");
    fs.writeFileSync(options.output, imageBuffer);

    const elapsed = ((Date.now() - startTime) / 1000).toFixed(1);
    console.error(`Generated (${elapsed}s, ${(imageBuffer.length / 1024).toFixed(0)}KB) → ${options.output}`);

    console.log(JSON.stringify({
      outputPath: options.output,
      sourceScreenshot: options.screenshot,
      brief: options.brief,
    }, null, 2));
  } finally {
    clearTimeout(timeout);
  }
}

View on GitHub (pinned to 94993f7401)

When it happens

Trigger: Thrown at design/src/evolve.ts:88 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/c35e88de87962b50. Report an issue: GitHub.