Fatal error: Uncaught Error: Cannot instantiate abstract class Bitrix\Main\Application in /home/bitrix/www/bitrix/modules/main/lib/application.php:89 Stack trace: #0 /home/bitrix/www/404.php(6): Bitrix\Main\Application::getInstance() #1 /home/bitrix/www/bitrix/urlrewrite.php(4): include_once('/home/bitrix/ww...') #2 {main} thrown in /home/bitrix/www/bitrix/modules/main/lib/application.php on line 89