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#0 [internal function]: mageCoreErrorHandler(2, 'array_keys() ex...', '/var/www/html/d...', 92, Array)
#1 /var/www/html/donate.worldvision.org/app/code/core/Enterprise/Search/Model/Catalog/Layer/Filter/Category.php(92): array_keys(Object(Mage_Catalog_Model_Resource_Category_Collection))
#2 /var/www/html/donate.worldvision.org/app/code/core/Enterprise/Search/Block/Catalog/Layer/Filter/Category.php(52): Enterprise_Search_Model_Catalog_Layer_Filter_Category->addFacetCondition()
#3 /var/www/html/donate.worldvision.org/app/code/core/Enterprise/Search/Block/Catalog/Layer/View.php(85): Enterprise_Search_Block_Catalog_Layer_Filter_Category->addFacetCondition()
#4 /var/www/html/donate.worldvision.org/app/code/core/Mage/Core/Block/Abstract.php(293): Enterprise_Search_Block_Catalog_Layer_View->_prepareLayout()
#5 /var/www/html/donate.worldvision.org/app/code/core/Mage/Core/Model/Layout.php(456): Mage_Core_Block_Abstract->setLayout(Object(Mod_Core_Model_Layout))
#6 /var/www/html/donate.worldvision.org/app/code/core/Mage/Core/Model/Layout.php(472): Mage_Core_Model_Layout->createBlock('enterprise_sear...', 'enterprisecatal...')
#7 /var/www/html/donate.worldvision.org/app/code/core/Mage/Core/Model/Layout.php(239): Mage_Core_Model_Layout->addBlock('enterprise_sear...', 'enterprisecatal...')
#8 /var/www/html/donate.worldvision.org/app/code/local/Mod/Core/Model/Layout.php(10): Mage_Core_Model_Layout->_generateBlock(Object(Mage_Core_Model_Layout_Element), Object(Mage_Core_Model_Layout_Element))
#9 /var/www/html/donate.worldvision.org/app/code/core/Mage/Core/Model/Layout.php(205): Mod_Core_Model_Layout->_generateBlock(Object(Mage_Core_Model_Layout_Element), Object(Mage_Core_Model_Layout_Element))
#10 /var/www/html/donate.worldvision.org/app/code/core/Mage/Core/Model/Layout.php(210): Mage_Core_Model_Layout->generateBlocks(Object(Mage_Core_Model_Layout_Element))
#11 /var/www/html/donate.worldvision.org/app/code/core/Mage/Core/Controller/Varien/Action.php(344): Mage_Core_Model_Layout->generateBlocks()
#12 /var/www/html/donate.worldvision.org/app/code/core/Mage/Catalog/controllers/CategoryController.php(148): Mage_Core_Controller_Varien_Action->generateLayoutBlocks()
#13 /var/www/html/donate.worldvision.org/app/code/core/Mage/Core/Controller/Varien/Action.php(418): Mage_Catalog_CategoryController->viewAction()
#14 /var/www/html/donate.worldvision.org/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(250): Mage_Core_Controller_Varien_Action->dispatch('view')
#15 /var/www/html/donate.worldvision.org/app/code/core/Mage/Core/Controller/Varien/Front.php(172): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#16 /var/www/html/donate.worldvision.org/app/code/core/Mage/Core/Model/App.php(354): Mage_Core_Controller_Varien_Front->dispatch()
#17 /var/www/html/donate.worldvision.org/app/Mage.php(684): Mage_Core_Model_App->run(Array)
#18 /var/www/html/donate.worldvision.org/index.php(87): Mage::run('', 'store')
#19 {main}