Is it possible that a template update will fix it, or can you tell me how to fix it?
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Product problems have been detected in website
For the owner of xxxxxxx:
Search Console has detected 4 Product issues on your website:
Main caveats
The warnings recommend improvements you can make. Some serve to improve the appearance of your website in Search, while others can end up becoming errors. These warnings have been found on your website:
The “brand” field is missing
The “aggregateRating” field is missing
The “review” field is missing
No international identifier has been provided, such as a GTIN, MPN, or ISBN
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