Fatal error: Bitrix\Main\Loader::main(): Cannot use output buffering in output buffering display handlers in /var/www/opticalux_ru/data/www/opticalux.ru/bitrix/modules/artamonov.bitrix24/include.php on line 1

[ErrorException] E_ERROR
Bitrix\Main\Loader::main(): Cannot use output buffering in output buffering display handlers (0)
/var/www/opticalux_ru/data/www/opticalux.ru/bitrix/modules/artamonov.bitrix24/include.php:1
----------