title: Pimcore How to display custom error message in error message box
body: <p>Hi i am working on pimcore cms.</p>
  
  <p>I am calling custom API while saving objects and it has some custom error message.</p>
  
  <p>Right now pimcore showing </p>
  
  <blockquote>
    <p>"Object Could not saved".</p>
  </blockquote>
  
  <p><strong>How to display custom message instead of this default message in error box ?</strong></p>
  
  <p>My API returns error message whenever error occurs but I am stuck on how to pass it with pimcore Error message.</p>
  
  <p>Your help will be appreciated.</p>
  
  <p>Thanks</p>