title: INFO: WARNING: FacesMessage(s) have been enqueued, but may not have been displayed
body: <p>I created an user interface with a form to get information from user. When I submit the form, it prints the following warning in the server log:</p>
  
  <pre><code>INFO: WARNING: FacesMessage(s) have been enqueued, but may not have been displayed.
  sourceId=j_idt7:j_idt11[severity=(ERROR 2), summary=(j_idt7:j_idt11: Validation Error: Value is not valid), detail=(j_idt7:j_idt11: Validation Error: Value is not valid)]
  </code></pre>
  
  <p>I tried to solve it, however I didn't understand how. How is this problem caused and how can I solve it?</p>