Problem HE-Gift Plugin

Добрый день! Помогите пожалуйста, не работает HE-Gift плагин


2014-09-16T03:47:17+00:00 NOTICE (5): [8] Undefined index: 1 (/var/www/application/modules/Hegift/widgets/birthdays/Controller.php) [98]
Error Code: d58386
Stack trace:
#0 /var/www/application/modules/Hegift/widgets/birthdays/Controller.php(71): Hegift_Widget_BirthdaysController->convertDate('', 'month')
#1 /var/www/application/libraries/Engine/Content/Widget/Abstract.php(254): Hegift_Widget_BirthdaysController->indexAction()
#2 /var/www/application/libraries/Engine/Content/Element/Widget.php(73): Engine_Content_Widget_Abstract->render()
#3 /var/www/application/libraries/Engine/Content/Element/Abstract.php(583): Engine_Content_Element_Widget->_render()
#4 /var/www/application/libraries/Engine/Content/Decorator/Children.php(31): Engine_Content_Element_Abstract->render()
#5 /var/www/application/libraries/Engine/Content/Element/Abstract.php(594): Engine_Content_Decorator_Children->render('')
#6 /var/www/application/libraries/Engine/Content/Decorator/Children.php(31): Engine_Content_Element_Abstract->render()
#7 /var/www/application/libraries/Engine/Content/Element/Abstract.php(594): Engine_Content_Decorator_Children->render('')
#8 /var/www/application/libraries/Engine/Content/Decorator/Children.php(31): Engine_Content_Element_Abstract->render()
#9 /var/www/application/libraries/Engine/Content/Element/Abstract.php(594): Engine_Content_Decorator_Children->render('')
#10 /var/www/application/libraries/Engine/Content.php(208): Engine_Content_Element_Abstract->render()
#11 /var/www/application/libraries/Engine/Content/Controller/Action/Helper/Content.php(136): Engine_Content->render('hegift_index_index')
#12 /var/www/application/libraries/Engine/Content/Controller/Action/Helper/Content.php(38): Engine_Content_Controller_Action_Helper_Content->render()
#13 /var/www/application/libraries/Zend/Controller/Action/HelperBroker.php(277): Engine_Content_Controller_Action_Helper_Content->postDispatch()
#14 /var/www/application/libraries/Zend/Controller/Action.php(527): Zend_Controller_Action_HelperBroker->notifyPostDispatch()
#15 /var/www/application/libraries/Zend/Controller/Dispatcher/Standard.php(308): Zend_Controller_Action->dispatch('indexAction')
#16 /var/www/application/libraries/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Zend_Controller_Request_Http, Zend_Controller_Response_Http)
#17 /var/www/application/modules/Core/Bootstrap.php(75): Zend_Controller_Front->dispatch()
#18 /var/www/application/libraries/Engine/Application.php(160): Core_Bootstrap->run()
#19 /var/www/application/index.php(205): Engine_Application->run()
#20 /var/www/index.php(24): include('/var/www/application/index.php')
#21 {main}
Заранее спасибо!