This error shows that your Google dynamic remarketing tags aren't set properly and they don't match with your product feed. Most probably, you are using a different product ID format (e.g. shopify_US_11111_2222 vs. 1111_2222) on your product feed compared to your dynamic remarketing tags.
Follow our tutorial to [audit & validate your dynamic remarketing setup](https://docs.analyzify.app/google-ads-product-feed-re-marketing-validation). You can also use [Analyzify's remarketing pixel setup](https://docs.analyzify.app/google-ads-remarketing-pixels-analyzify) to prevent all sorts of issues and get expert help.