помочь с ошибкой

[Error]
Call to a member function getBasket() on null (0)
/home/bitrix/www/local/modules/custom.exchange1c/lib/order/order.php:116
#0: Custom\Exchange1c\Order\Order::saveOrder(array)
/home/bitrix/www/local/modules/custom.exchange1c/lib/order/order.php:61
#1: Custom\Exchange1c\Order\Order::getOrdersFrom1C()
/home/bitrix/www/local/modules/custom.exchange1c/include.php:17
#2: CustomExchange1cMainAgent()
/home/bitrix/www/bitrix/modules/asd.agents/include.php(42) : eval()'d code:1
#3: eval
/home/bitrix/www/bitrix/modules/asd.agents/include.php:42
#4: CASDagents::OnBeforePrologHandler()
/home/bitrix/www/bitrix/modules/main/classes/general/module.php:490
#5: ExecuteModuleEventEx(array)
/home/bitrix/www/bitrix/modules/main/include.php:564
#6: require_once(string)
/home/bitrix/www/bitrix/modules/main/include/prolog_admin_before.php:18
#7: require_once(string)
/home/bitrix/www/bitrix/modules/main/admin/agent_list.php:9
#8: require_once(string)
/home/bitrix/www/bitrix/admin/agent_list.php:2


Требуется помочь с этой ошибкой