/// <summary>
 /// Constructor
 /// </summary>
 /// <param name="entity">An entity descriptor to prime the collection with. Useful when there is only one entity.
 /// If there is more than one entity then add them via the Entities property</param>
 /// <param name="innerException">The lower level exception</param>
 public EntityNotFoundException(EntityDescriptor entity, Exception innerException)
     : base(SYSTEM_MESSAGE, entity, innerException)
 {
 }
 /// <summary>
 /// Constructor
 /// </summary>
 /// <param name="entity">An entity descriptor to prime the collection with. Useful when there is only one entity.
 /// If there is more than one entity then add them via the Entities property</param>
 public EntityNotFoundException(EntityDescriptor entity)
     : this(entity, null)
 {
 }