System.InvalidCastException: Specified cast is not valid. at Dynamicweb.Ecommerce.LiveIntegration.Helpers.GetCorrectedProductStock(Product product, Double productStock, Double productPrice) at Dynamicweb.Ecommerce.LiveIntegration.ProductsTemplateExtender.SetProductPurchaseAvailability(Template template, ProductInfo productInfo) at Dynamicweb.Ecommerce.LiveIntegration.ProductsTemplateExtender.ExtendTemplate(Template template) at Dynamicweb.Ecommerce.Frontend.Renderer.RenderProductTemplateExtenders(Product product, Template template, Boolean extendedProperties) at Dynamicweb.Ecommerce.Frontend.Renderer.RenderProduct(Product product, Boolean extendedProperties, Template template, Int32 loopCounter, Boolean renderRelated, String productUrl, Int32 quantity, Int32 wishListId, Boolean renderPublicList, Boolean isRecursiveCall, Lazy`1 categoryFieldSorting, Int32 orderLineOfProductCount, String unitId) at Dynamicweb.Ecommerce.Frontend.Renderer.RenderProducts(ProductCollection products, Template parentTemplate, String loopName, Int32 loopCounter, Boolean renderRelatedProducts, Boolean renderRelatedLists, Boolean isRecursive) at Dynamicweb.Ecommerce.Frontend.Renderer.RenderProducts(ProductCollection products, Template parentTemplate) at Dynamicweb.Ecommerce.Frontend.Renderer.RenderProducts(ProductCollection products) at Dynamicweb.Ecommerce.Frontend.Frontend.ListProducts(ProductCollection products, String groupsIdent, Boolean hasBeenSorted) at Dynamicweb.Ecommerce.Frontend.Frontend.GetProductsFromIndexQuery(ProductCatalogShowType settingsType)