This article helps you fix the "Cloud stack generation failed. Please try generating again" error that can appear when uploading images inside your GBP Project. This error is typically triggered by an issue with the image file itself or a temporary platform hiccup — not always the number of images selected. The steps below give you the specific checks and actions needed to resolve it and confirm the upload succeeded.
📍 Where to Find It
Navigate to Left sidebar → Local → GBP Projects, then open the relevant project. The cloud stack image upload option is available within the project's posting or overview area.
🛠️ Step-by-Step
- Refresh and retry immediately. The error is sometimes caused by a momentary connection issue with the cloud service. Close the dialog, wait 30 seconds, and attempt the generation again before making any other changes.
- Check your image file format. Only use widely supported formats such as JPG, JPEG, PNG, or WebP. Files in HEIC, TIFF, BMP, or other formats can trigger this error even if the image count is within the limit.
- Verify image file size. Each image should be under 5 MB. Large files may cause the cloud stack process to fail silently. Compress or resize any image that exceeds this threshold before re-uploading.
- Confirm you are selecting fewer than 4 images. Even if you believe you have selected fewer than 4, deselect all images and reselect them one at a time to rule out a selection state error in the UI.
- Check image dimensions. Very small images (under 250 × 250 px) or unusually large canvases can cause processing failures. Use images with standard dimensions appropriate for Google Business Profile posts.
- Try a different browser or clear your cache. Open your GBP Project in an incognito window or a different browser. Clear cached data if the error persists in your usual browser, as stale cache can interfere with upload processing.
- Re-upload with a single image first. If multi-image uploads continue to fail, test with one image only to isolate whether the issue is file-specific or affects all uploads in this project.
✅ How to Confirm It Worked
After retrying the generation, you should see the cloud stack preview render successfully within the project view — the error banner will disappear and your uploaded image(s) will display in the posting queue or overview area. Navigate to Left sidebar → Local → Overview and confirm the post or image appears under the relevant tab. If the preview loads without any error message and the image is visible in the project, the cloud stack was generated successfully.
If you need further assistance, open the chat widget in the bottom-right corner of the platform and type human teammate to be connected with a member of our team.