public function buildForm(array $form, FormStateInterface $form_state) {
// Get all the available ways to transfer files.
if (empty($_SESSION['authorize_filetransfer_info'])) {
- drupal_set_message($this->t('Unable to continue, no available methods of file transfer'), 'error');
+ $this->messenger()->addError($this->t('Unable to continue, no available methods of file transfer'));
return [];
}
$available_backends = $_SESSION['authorize_filetransfer_info'];