server/models/Purchase.cs

@@ -21,7 +21,7 @@ namespace Sockeye.Models
         [Required]
         public long ProductId { get; set; }
         [Required]
-        public ProductGroup Group {get;set;}
+        public ProductGroup PGroup {get;set;}
         [NotMapped]
         public string ProductViz { get; set; }
         public string SalesOrderNumber { get; set; }