Fatal error: Uncaught Error: Call to undefined method Bitrix\Main\Loader::registerClassAliases() in /home/www/mipt/www/bitrix/modules/main/include/compatibility.php:5 Stack trace: #0 /home/www/mipt/www/bitrix/modules/main/include/autoload.php(304): require_once() #1 /home/www/mipt/www/bitrix/modules/main/start.php(13): require_once('...') #2 /home/www/mipt/www/bitrix/modules/main/include.php(16): require_once('...') #3 /home/www/mipt/www/bitrix/modules/main/include/prolog_before.php(19): require_once('...') #4 /home/www/mipt/www/local/tools/include-bitrix.php(10): require('...') #5 /home/www/mipt/www/index.php(5): require('...') #6 {main} thrown in /home/www/mipt/www/bitrix/modules/main/include/compatibility.php on line 5