Fatal error: Uncaught Error: Class 'Bitrix\Main\Loader' not found in /home/bitrix/ext_www/posad.pro/local/vendor/autoloader.php:2 Stack trace: #0 /home/bitrix/ext_www/posad.pro/local/php_interface/init.php(2): require_once() #1 {main} thrown in /home/bitrix/ext_www/posad.pro/local/vendor/autoloader.php on line 2