diegosouzapw/OmniRoute · error

NanoBanana task completed without image payload: ${JSON.stri

Error message

NanoBanana task completed without image payload: ${JSON.stringify(taskData).slice(0, 240)}

What it means

Error "NanoBanana task completed without image payload: ${JSON.stringify(taskData).slice(0, 240)}" thrown in diegosouzapw/OmniRoute.

Source

Thrown at open-sse/handlers/imageGeneration.ts:3291

    if (urlCandidates.length > 0) {
      const firstUrl = urlCandidates[0];
      const remoteImage = await fetchRemoteImage(firstUrl);
      const base64 = remoteImage.buffer.toString("base64");
      return [{ b64_json: base64, revised_prompt: body.prompt }];
    }
  }

  if (urlCandidates.length > 0) {
    return urlCandidates.map((url) => ({ url, revised_prompt: body.prompt }));
  }

  if (b64Candidates.length > 0) {
    return b64Candidates.map((b64) => ({ b64_json: b64, revised_prompt: body.prompt }));
  }

  if (log) {
    log.warn(
      "IMAGE",
      `NanoBanana task completed without image payload: ${JSON.stringify(taskData).slice(0, 240)}`
    );
  }

  return [];
}

function inferResolutionFromSize(size) {
  if (typeof size !== "string") return null;
  const [wRaw, hRaw] = size.split("x");
  const width = Number(wRaw);
  const height = Number(hRaw);
  if (!Number.isFinite(width) || !Number.isFinite(height) || width <= 0 || height <= 0) return null;

  const longestSide = Math.max(width, height);
  if (longestSide <= 1024) return "1K";
  if (longestSide <= 2048) return "2K";

View on GitHub (pinned to a179ffed5b)

When it happens

Trigger: Thrown at open-sse/handlers/imageGeneration.ts:3291 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of diegosouzapw/OmniRoute@a179ffed5b (2026-08-25). Data as JSON: /api/errors/b0b5f130f88484a3. Report an issue: GitHub.