title: Breeze.js How to display Validation Error Message
body: <p>during Save changes, there are instance when validation is failing, but how do i get back and display the actual Error Message. The saveFailed function is executed, but i want more details information, about what validations failed and those individual error emssages</p>
  
  <pre><code> function saveChanges() {
         if (manager.hasChanges()) {
             manager.saveChanges()
                 .then(saveSucceeded)
                 .fail(saveFailed);
         } else {
             alert("Nothing to save");
         };
     };
  
  
     function saveSucceeded() {
         alert("changes saved successfully");
     };
  
     function saveFailed(error) {
         alert("Error while saving changes" + error.message);
     };
  </code></pre>