Fatal error: Uncaught Error: Function name must be a string in /data/web/e36880/html/merchcamp/merch.camp/htdocs/app/code/core/Mage/Core/Model/Layout.php:555 Stack trace: #0 /data/web/e36880/html/merchcamp/merch.camp/htdocs/app/code/core/Mage/Core/Controller/Varien/Action.php(390): Mage_Core_Model_Layout->getOutput() #1 /data/web/e36880/html/merchcamp/merch.camp/htdocs/app/code/local/Peexl/ProductDesigner/controllers/CampaignController.php(154): Mage_Core_Controller_Varien_Action->renderLayout() #2 /data/web/e36880/html/merchcamp/merch.camp/htdocs/app/code/core/Mage/Core/Controller/Varien/Action.php(418): Peexl_ProductDesigner_CampaignController->viewAction() #3 /data/web/e36880/html/merchcamp/merch.camp/htdocs/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(254): Mage_Core_Controller_Varien_Action->dispatch('view') #4 /data/web/e36880/html/merchcamp/merch.camp/htdocs/app/code/core/Mage/Core/Controller/Varien/Front.php(172): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Reque in /data/web/e36880/html/merchcamp/merch.camp/htdocs/app/code/core/Mage/Core/Model/Layout.php on line 555