This error occurs when the data format you've provided for specific attributes does not meet Google's requirements.

To resolve this error, you must meticulously review your product data and ensure all attributes follow Google's prescribed formats. Here are some common examples of how to fix this error:

Date Format: If you have date attributes (e.g., "availability_date" or "expiration_date"), ensure they are in the correct format (e.g., YYYY-MM-DD).

Price Format: Check that prices include the appropriate currency code (e.g., "USD" for US dollars, “GBP” for British pounds) and use decimal points for cents or pence (e.g., "9.99 GBP").

These are just a few examples of common errors in Google Merchant Center. In the following sections, we'll continue exploring other error types and how to address them effectively.