Fatal error: Uncaught Error: Class 'Bitrix\Main\Loader' not found in /home/bitrix/siteProject/local/classes/telephony_class.php:15 Stack trace: #0 /home/bitrix/siteProject/local/classes/telephony_class.php(11): CTelephony->init_obj() #1 /home/bitrix/siteProject/local/classes/init.php(3): CTelephony->__construct() #2 {main} thrown in /home/bitrix/siteProject/local/classes/telephony_class.php on line 15