title: Uncaught exception 'Google_ServiceException' with message 'Error'?
body: <p><strong>Uncaught exception 'Google_ServiceException'</strong> with message </p>
  
  <p>'Error calling POST <a href="https://www.googleapis.com/calendar/v3/calendars/primary/events" rel="nofollow">https://www.googleapis.com/calendar/v3/calendars/primary/events</a></p>
  
  <p><strong>anybody can help in this error in google api?</strong></p>
  
  <p>400 Invalid Value' in google-api-php-client/src/io/Google_REST.php:66 Stack trace: #0 </p>
  
  <p>its sometimes work fine ....</p>