/// <summary>
 /// Constructor which taks an etity collection error message.
 /// </summary>
 /// <param name="collectionErrors">Collection errors object.</param>
 public CollectionConstraintException(EntityCollectionErrorMessage collectionErrors)
 {
     _errors = collectionErrors;
 }
 /// <summary>
 /// Default constructor of the collection constraint exception.
 /// </summary>
 public CollectionConstraintException()
 {
     _errors = new EntityCollectionErrorMessage();
 }