Short answer
Most bulk upload errors come from names that don't match exactly across tabs, duplicate rows, blank IDs that create new ads instead of updating, titles or copy over the limits, the wrong end date, or image and landing URLs that require sign-in or are blocked.
Fix list
- Start from a fresh "Export for edit"
- Keep IDs for objects you update; blank IDs create new ones
- Match ad group names exactly between tabs
- Titles ≤ 50 and copy ≤ 100 characters
- End date is exclusive
- Check every URL in a private window
- Read row-level results before re-uploading
Questions
We uploaded twice and have duplicates. What now?
Archive the duplicates, then always edit from a fresh export.
Facts checked against the sources below on 12 October 2026. Platforms change quickly: if something here no longer matches what you see, tell us and we will update it.
