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#0 /mnt/sites/www.hats.com/files/html/app/design/frontend/enterprise/kangolstore/template/amasty/amshopby/attribute.phtml(9): mageCoreErrorHandler(8, 'Undefined varia...', '/mnt/sites/www....', 9, Array)
#1 /mnt/sites/www.hats.com/files/html/app/code/core/Mage/Core/Block/Template.php(241): include('/mnt/sites/www....')
#2 /mnt/sites/www.hats.com/files/html/app/code/core/Mage/Core/Block/Template.php(272): Mage_Core_Block_Template->fetchView('frontend/enterp...')
#3 /mnt/sites/www.hats.com/files/html/app/code/core/Mage/Core/Block/Template.php(286): Mage_Core_Block_Template->renderView()
#4 /mnt/sites/www.hats.com/files/html/app/code/core/Mage/Catalog/Block/Layer/Filter/Abstract.php(154): Mage_Core_Block_Template->_toHtml()
#5 /mnt/sites/www.hats.com/files/html/app/design/frontend/enterprise/kangolstore/template/catalog/layer/view.phtml(52): Mage_Catalog_Block_Layer_Filter_Abstract->getHtml()
#6 /mnt/sites/www.hats.com/files/html/app/code/core/Mage/Core/Block/Template.php(241): include('/mnt/sites/www....')
#7 /mnt/sites/www.hats.com/files/html/app/code/core/Mage/Core/Block/Template.php(272): Mage_Core_Block_Template->fetchView('frontend/enterp...')
#8 /mnt/sites/www.hats.com/files/html/app/code/core/Mage/Core/Block/Template.php(286): Mage_Core_Block_Template->renderView()
#9 /mnt/sites/www.hats.com/files/html/app/code/core/Mage/Core/Block/Abstract.php(863): Mage_Core_Block_Template->_toHtml()
#10 /mnt/sites/www.hats.com/files/html/app/code/core/Mage/Core/Block/Text/List.php(43): Mage_Core_Block_Abstract->toHtml()
#11 /mnt/sites/www.hats.com/files/html/app/code/core/Mage/Core/Block/Abstract.php(863): Mage_Core_Block_Text_List->_toHtml()
#12 /mnt/sites/www.hats.com/files/html/app/code/core/Mage/Core/Block/Abstract.php(582): Mage_Core_Block_Abstract->toHtml()
#13 /mnt/sites/www.hats.com/files/html/app/code/core/Mage/Core/Block/Abstract.php(526): Mage_Core_Block_Abstract->_getChildHtml('left', true)
#14 /mnt/sites/www.hats.com/files/html/app/design/frontend/enterprise/kangolstore/template/page/2columns-left.phtml(50): Mage_Core_Block_Abstract->getChildHtml('left')
#15 /mnt/sites/www.hats.com/files/html/app/code/core/Mage/Core/Block/Template.php(241): include('/mnt/sites/www....')
#16 /mnt/sites/www.hats.com/files/html/app/code/core/Mage/Core/Block/Template.php(272): Mage_Core_Block_Template->fetchView('frontend/enterp...')
#17 /mnt/sites/www.hats.com/files/html/app/code/core/Mage/Core/Block/Template.php(286): Mage_Core_Block_Template->renderView()
#18 /mnt/sites/www.hats.com/files/html/app/code/core/Mage/Core/Block/Abstract.php(863): Mage_Core_Block_Template->_toHtml()
#19 /mnt/sites/www.hats.com/files/html/app/code/core/Mage/Core/Model/Layout.php(555): Mage_Core_Block_Abstract->toHtml()
#20 /mnt/sites/www.hats.com/files/html/app/code/core/Mage/Core/Controller/Varien/Action.php(390): Mage_Core_Model_Layout->getOutput()
#21 /mnt/sites/www.hats.com/files/html/app/code/core/Mage/Catalog/controllers/CategoryController.php(159): Mage_Core_Controller_Varien_Action->renderLayout()
#22 /mnt/sites/www.hats.com/files/html/app/code/core/Mage/Core/Controller/Varien/Action.php(419): Mage_Catalog_CategoryController->viewAction()
#23 /mnt/sites/www.hats.com/files/html/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(250): Mage_Core_Controller_Varien_Action->dispatch('view')
#24 /mnt/sites/www.hats.com/files/html/app/code/core/Mage/Core/Controller/Varien/Front.php(176): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#25 /mnt/sites/www.hats.com/files/html/app/code/core/Mage/Core/Model/App.php(354): Mage_Core_Controller_Varien_Front->dispatch()
#26 /mnt/sites/www.hats.com/files/html/app/Mage.php(683): Mage_Core_Model_App->run(Array)
#27 /mnt/sites/www.hats.com/files/html/index.php(97): Mage::run('kangol', 'website')
#28 {main}