[-] BO: Fix product attribute values on product duplication with multishop #PSCFV-5435

classes/Product.php

@@ -3251,8 +3251,9 @@ class ProductCore extends ObjectModel
 		$combination_images = array();
 
 		$result = Db::getInstance()->executeS('
-		SELECT *
+		SELECT pa.*, product_attribute_shop.*
 			FROM `'._DB_PREFIX_.'product_attribute` pa
+			'.Shop::addSqlAssociation('product_attribute', 'pa').'
 			WHERE pa.`id_product` = '.(int)$id_product_old
 		);