Notice: Undefined index:  use_special  in /home/iposters/public_html/app/code/community/OrganicInternet/SimpleConfigurableProducts/Rss/Block/Catalog/Special.php on line 81

#0 /home/iposters/public_html/app/code/community/OrganicInternet/SimpleConfigurableProducts/Rss/Block/Catalog/Special.php(81): mageCoreErrorHandler(8, 'Undefined index...', '/home/iposters/...', 81, Array)
#1 /home/iposters/public_html/app/code/core/Mage/Core/Block/Abstract.php(753): OrganicInternet_SimpleConfigurableProducts_Rss_Block_Catalog_Special->_toHtml()
#2 /home/iposters/public_html/app/code/core/Mage/Core/Model/Layout.php(529): Mage_Core_Block_Abstract->toHtml()
#3 /home/iposters/public_html/app/code/core/Mage/Core/Controller/Varien/Action.php(389): Mage_Core_Model_Layout->getOutput()
#4 /home/iposters/public_html/app/code/core/Mage/Rss/controllers/CatalogController.php(66): Mage_Core_Controller_Varien_Action->renderLayout()
#5 /home/iposters/public_html/app/code/core/Mage/Core/Controller/Varien/Action.php(418): Mage_Rss_CatalogController->specialAction()
#6 /home/iposters/public_html/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(254): Mage_Core_Controller_Varien_Action->dispatch('special')
#7 /home/iposters/public_html/app/code/core/Mage/Core/Controller/Varien/Front.php(177): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#8 /home/iposters/public_html/app/code/core/Mage/Core/Model/App.php(304): Mage_Core_Controller_Varien_Front->dispatch()
#9 /home/iposters/public_html/app/Mage.php(596): Mage_Core_Model_App->run(Array)
#10 /home/iposters/public_html/index.php(78): Mage::run('', 'store')
#11 {main}