Woocommerce Error

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Looks like the issue is due to possibly having no SKU on a product that has been purchased.

Quick fix would be to Change Product Identifier to ID under Reviews Settings > Advanced

The issue code is under woocommerce-reviews.php line 324
PHP Fatal error: Uncaught Error: Call to a member function get_sku() on bool in…
$sku = get_option(‘product_identifier’) == ‘id’ ? $row[‘product_id’] : $productmeta->get_sku();