The root TypeDescriptor with Name '{0}' belonging to Method with Name '{1}', of Entity with Name '{2}' and Namespace '{3}' ...

The root TypeDescriptor with Name '{0}' belonging to Method with Name '{1}', of Entity with Name '{2}' and Namespace '{3}' has a TypeName that is not assignable to System.Data.IDataReader or is not a Collection TypeDescriptor, which is necessary when using LobSystems of Type Database.