source item Product 'SHOES002' (8796289695745) is no instance of a catalog item type but of ShopzoneSizeVariant

In product cockpit when clicked in staged version of my catalog for error saying source item Product 'SHOES002' (8796289695745) is no instance of a catalog item type but of ShopzoneSizeVariant[HY-0]

Please find attached screenshot for stacktrace and catalog structure.