Error Code: 710fda

Zend_Json_Exception: Must specify JSON encoded source for decoding in /home/techno172/public_html/techsocialnet.com/application/libraries/Zend/Json/Decoder.php:148
Stack trace:
#0 /home/techno172/public_html/techsocialnet.com/application/modules/Sitepage/controllers/IndexController.php(2224): Zend_Json_Decoder::decode(NULL)
#1 /home/techno172/public_html/techsocialnet.com/application/libraries/Zend/Controller/Action.php(516): Sitepage_IndexController->ajaxHomeListAction()
#2 /home/techno172/public_html/techsocialnet.com/application/libraries/Zend/Controller/Dispatcher/Standard.php(308): Zend_Controller_Action->dispatch('ajaxHomeListAct...')
#3 /home/techno172/public_html/techsocialnet.com/application/libraries/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http))
#4 /home/techno172/public_html/techsocialnet.com/application/modules/Core/Bootstrap.php(87): Zend_Controller_Front->dispatch()
#5 /home/techno172/public_html/techsocialnet.com/application/libraries/Engine/Application.php(160): Core_Bootstrap->run()
#6 /home/techno172/public_html/techsocialnet.com/application/index.php(237): Engine_Application->run()
#7 /home/techno172/public_html/techsocialnet.com/boot.php(47): include('/home/techno172...')
#8 /home/techno172/public_html/techsocialnet.com/index.php(24): Engine_Boot->boot()
#9 {main}