Fatal error: Class 'Bitrix\Main\DB\ConnectionException' not found in /var/www/vhosts/it-pr.ru/bitrix/modules/main/lib/db/mysqlconnection.php on line 47

Fatal error: Class 'Bitrix\Main\Diag\ExceptionHandlerLog' not found in /var/www/vhosts/it-pr.ru/bitrix/modules/main/lib/diag/exceptionhandler.php on line 214