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Error Code: d280de

Engine_Exception: Emailtemplates_Api_Mail::sendSystem() requires an item, an array of items with an email, or a string email address. in /home/whatshapening/web/whatshappeningaround.town/html/application/modules/Emailtemplates/Api/Mail.php:305
Stack trace:
#0 /home/whatshapening/web/whatshappeningaround.town/html/application/modules/Emailtemplates/Api/Mail.php(219): Emailtemplates_Api_Mail->sendSystemRaw()
#1 /home/whatshapening/web/whatshappeningaround.town/html/application/modules/Sesbusinessoffer/controllers/IndexController.php(56): Emailtemplates_Api_Mail->sendSystem()
#2 /home/whatshapening/web/whatshappeningaround.town/html/application/libraries/Zend/Controller/Action.php(516): Sesbusinessoffer_IndexController->getofferAction()
#3 /home/whatshapening/web/whatshappeningaround.town/html/application/libraries/Zend/Controller/Dispatcher/Standard.php(308): Zend_Controller_Action->dispatch()
#4 /home/whatshapening/web/whatshappeningaround.town/html/application/libraries/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch()
#5 /home/whatshapening/web/whatshappeningaround.town/html/application/modules/Core/Bootstrap.php(89): Zend_Controller_Front->dispatch()
#6 /home/whatshapening/web/whatshappeningaround.town/html/application/libraries/Engine/Application.php(160): Core_Bootstrap->run()
#7 /home/whatshapening/web/whatshappeningaround.town/html/application/index.php(280): Engine_Application->run()
#8 /home/whatshapening/web/whatshappeningaround.town/html/boot.php(47): include('...')
#9 /home/whatshapening/web/whatshappeningaround.town/html/index.php(24): Engine_Boot->boot()
#10 {main}