code: public static function handleException(\Throwable $e)
      {
          $app = self::getInstance();
          if ($app->request === null)
              $app->request = Request::createFromGlobals();
  
          $req = $app->request;
  
          try
          {
              // Try to form a good looking response
              if (!Request::cli())
              {
                  $mgr = $app->resolver;
                  $res = $mgr->getResolver('template');
                  $assets = $mgr->getResolver('assets');
                  $amgr = new AssetManager($assets);
  
                  $tpl = new Template($res, $amgr, $req);
                  $tpl->setExceptionTemplate($e);
  
                  $tpl->assign('exception', $e);
                  $tpl->assign('request', $req);
                  $tpl->assign('dev', $app->dev);
                  $app->i18n;
  
                  $response = $tpl->renderReturn();
                  $responder = new \Wedeto\HTTP\Responder();
                  $result = new \Wedeto\HTTP\Result();
                  $result->setResponse($response);
                  $responder->setRequest($req);
                  $responder->setResult($result);
  
                  // Inject CSS/JS
                  $params = new Dictionary(['responder' => $responder, 'mime' => 'text/html']);
                  $amgr->executeHook($params);
  
                  $responder->respond();
              }
          }
          catch (\Throwable $e2)
          {
              echo "<h1>Error while showing error template:</h1>\n\n";
              echo "<pre>" . WF::html($e2) . "</pre>\n";
          }
  
          if (Request::cli())
          {
              fprintf(STDERR, \Wedeto\Application\CLI\ANSI::bright("An uncaught exception has occurred:") . "\n\n");
              WF::debug(WF::str($e));
          }
          else
          {
              echo "<h2>Original error:</h2>\n\n";
              echo "<pre>" . WF::html($e) . "</pre>\n";
          }
      }
docs: The exception handler is called whenever an uncaught exception occurs.
  
  This will send a notification to the user that something went wrong,
  attempting to format this as fancy as possible given the circumstances.
  
  @param Throwable $e The exception that wasn't caught elsewhere