Yes. If someone in the past implemented structured data on your web pages using Google's Data Vocabulary project, you schema markup code needs updating. Evolutions in the development of structured data on the Web began with collaborations between search engines to create schema.org. However, improvements are necessary and outdated code should be replaced. Today, we use the widely shared and accepted vocabulary from Schema.org. Depreciated data-vocabulary.org markup does not product eligible Google search result features and enhancements. Currently, Google wants a review included in Product schema markup. Without it, you are telling Google there is no markup for a product review. This warning will display when using the Google Rich Results Testing Tool: Missing field review (optional) History has taught us that frequently structured data markup warnings typically turn into errors warnings over time. If you are using a Shopify panel, remember that only content that customers can see on a page will validate in your Google Search Console. Implementing Product structured data markup correctly includes the need for it to be presented in so that a machine can understand it. If your Product schema markup has no errors but has warnings, such as missing rating and reviews, it is unlikely that you will gain a rich snippet result in Google SERPs.