/**
  * This sets any necessary error messages on the message object and its status to failed.
  * @param EE_Message $message
  * @param array      $error_messages the response from the messenger.
  */
 protected function _set_error_message(EE_Message $message, $error_messages)
 {
     $error_messages = (array) $error_messages;
     if (in_array($message->STS_ID(), EEM_Message::instance()->stati_indicating_failed_sending())) {
         $notices = EE_Error::has_notices();
         $error_messages[] = __('Messenger and Message Type were valid and active, but the messenger send method failed.', 'event_espresso');
         if ($notices === 1) {
             $notices = EE_Error::get_vanilla_notices();
             $notices['errors'] = isset($notices['errors']) ? $notices['errors'] : array();
             $error_messages[] = implode("\n", $notices['errors']);
         }
     }
     if (count($error_messages) > 0) {
         $msg = __('Message was not executed successfully.', 'event_espresso');
         $msg = $msg . "\n" . implode("\n", $error_messages);
         $message->set_error_message($msg);
     }
 }