AggregateRating/Review schema missing itemReviewed property
This check looks for the itemReviewed property, which points a rating block to the specific thing it's rating (an organisation, product, or local business), on every AggregateRating or Review schema block on the site. AggregateRating or Review schema was detected here, but at least one rating block is missing itemReviewed.
Why this matters
Google's review snippet guidelines require the review markup to identify what is being reviewed, using itemReviewed, and structured data that omits required properties may not be eligible for star-rating rich results. Check Google's current structured data documentation, as requirements change. It is usually a one-line fix.
How to fix it
Your developer should add itemReviewed to every AggregateRating block on the site, pointing it to the entity actually being reviewed, whether that's your Organization, a Product, or a LocalBusiness. Budget about 30 minutes, then re-check the page in Google's Rich Results Test to confirm the star rating shows again.
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