/**
* Call this from within your onAuthenticationFailure() method.
*
* @param Request $request
* @param FinishRegistrationException $e
* @return RedirectResponse
*/
protected function saveUserInfoToSession(Request $request, FinishRegistrationException $e)
{
// save the user information!
$request->getSession()->set('guard.finish_registration.user_information', $e->getUserInformation());
}