Fatal error: Uncaught Error: Call to undefined method CMain::GetLang() in /opt/www/bitrix/modules/main/include.php:29 Stack trace: #0 /opt/www/bitrix/modules/main/include/prolog_before.php(14): require_once() #1 /opt/www/bitrix/modules/main/include/prolog.php(11): require_once('/opt/www/bitrix...') #2 /opt/www/bitrix/header.php(1): require_once('/opt/www/bitrix...') #3 /opt/www/catalog/detail.php(2): require('/opt/www/bitrix...') #4 /opt/www/bitrix/modules/main/include/urlrewrite.php(85): include_once('/opt/www/catalo...') #5 /opt/www/bitrix/urlrewrite.php(2): include_once('/opt/www/bitrix...') #6 {main} thrown in /opt/www/bitrix/modules/main/include.php on line 29