public function defaultErrorFallback(GetResponseForExceptionEvent $event)
{
$this->parser->assign("status_code", 500);
$this->parser->assign("exception_message", $event->getException()->getMessage());
$this->parser->setTemplateDefinition($this->securityContext->hasAdminUser() ? $this->parser->getTemplateHelper()->getActiveAdminTemplate() : $this->parser->getTemplateHelper()->getActiveFrontTemplate());
$response = new Response($this->parser->render(ConfigQuery::getErrorMessagePageName()), 500);
$event->setResponse($response);
}
