Fatal error: Uncaught Error: Class "Bitrix\Main\Config\Configuration" not found in /home/www/vivon_project/bitrix/modules/main/lib/loader.php:627 Stack trace: #0 /home/www/vivon_project/bitrix/modules/main/include/autoload.php(256): Bitrix\Main\Loader::includeComposerAutoload() #1 /home/www/vivon_project/bitrix/modules/main/include/urlrewrite.php(17): require_once('/home/www/vivon...') #2 /home/www/vivon_project/bitrix/urlrewrite.php(2): include_once('/home/www/vivon...') #3 {main} thrown in /home/www/vivon_project/bitrix/modules/main/lib/loader.php on line 627