Fatal error: Uncaught Error: Cannot instantiate abstract class Bitrix\Main\Application in /var/www/html/bitrix/modules/main/lib/application.php:99 Stack trace: #0 /var/www/html/bitrix/modules/main/lib/config/option.php(180): Bitrix\Main\Application::getInstance() #1 /var/www/html/bitrix/modules/main/lib/config/option.php(83): Bitrix\Main\Config\Option::load() #2 /var/www/html/bitrix/modules/main/lib/config/option.php(32): Bitrix\Main\Config\Option::getRealValue() #3 /var/www/html/bitrix/modules/main/classes/general/option.php(25): Bitrix\Main\Config\Option::get() #4 /var/www/html/bitrix/modules/wsrubi.smtp/classes/general/wsrubismtp.php(22): CAllOption::GetOptionString() #5 /var/www/html/bitrix/php_interface/dbconn.php(35): include_once('...') #6 /var/www/html/bitrix/modules/main/include/urlrewrite.php(39): require_once('...') #7 /var/www/html/bitrix/urlrewrite.php(2): include_once('...') #8 {main} thrown in /var/www/html/bitrix/modules/main/lib/application.php on line 99