Notice: Array to string conversion  in /home/cloudpanel/htdocs/www.barstools.co.uk/app/code/local/Tangoxp/Ajaxlayer/Model/Mysql4/Key.php on line 56

#0 /home/cloudpanel/htdocs/www.barstools.co.uk/app/code/local/Tangoxp/Ajaxlayer/Model/Mysql4/Key.php(56): mageCoreErrorHandler(8, 'Array to string...', '/home/cloudpane...', 56, Array)
#1 /home/cloudpanel/htdocs/www.barstools.co.uk/app/code/local/Tangoxp/Ajaxlayer/Model/Key.php(41): Tangoxp_Ajaxlayer_Model_Mysql4_Key->loadByOption(Object(Tangoxp_Ajaxlayer_Model_Key), Array, 'material', '1', Array)
#2 /home/cloudpanel/htdocs/www.barstools.co.uk/app/code/local/Tangoxp/Ajaxlayer/Model/Observer.php(76): Tangoxp_Ajaxlayer_Model_Key->loadByOption(Array, 'material', '1', Array)
#3 /home/cloudpanel/htdocs/www.barstools.co.uk/app/code/core/Mage/Core/Model/App.php(1339): Tangoxp_Ajaxlayer_Model_Observer->updateMetas(Object(Varien_Event_Observer))
#4 /home/cloudpanel/htdocs/www.barstools.co.uk/app/code/core/Mage/Core/Model/App.php(1318): Mage_Core_Model_App->_callObserverMethod(Object(Tangoxp_Ajaxlayer_Model_Observer), 'updateMetas', Object(Varien_Event_Observer))
#5 /home/cloudpanel/htdocs/www.barstools.co.uk/app/Mage.php(448): Mage_Core_Model_App->dispatchEvent('controller_acti...', Array)
#6 /home/cloudpanel/htdocs/www.barstools.co.uk/app/code/local/Mage/Core/Controller/Varien/Action.php(350): Mage::dispatchEvent('controller_acti...', Array)
#7 /home/cloudpanel/htdocs/www.barstools.co.uk/app/code/core/Mage/Catalog/controllers/CategoryController.php(148): Mage_Core_Controller_Varien_Action->generateLayoutBlocks()
#8 /home/cloudpanel/htdocs/www.barstools.co.uk/app/code/local/Tangoxp/Ajaxlayer/controllers/CategoryController.php(11): Mage_Catalog_CategoryController->viewAction()
#9 /home/cloudpanel/htdocs/www.barstools.co.uk/app/code/local/Mage/Core/Controller/Varien/Action.php(417): Tangoxp_Ajaxlayer_CategoryController->viewAction()
#10 /home/cloudpanel/htdocs/www.barstools.co.uk/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(254): Mage_Core_Controller_Varien_Action->dispatch('view')
#11 /home/cloudpanel/htdocs/www.barstools.co.uk/app/code/local/Tangoxp/Seotext/Controller/Standard.php(8): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#12 /home/cloudpanel/htdocs/www.barstools.co.uk/app/code/core/Mage/Core/Controller/Varien/Front.php(172): Tangoxp_Seotext_Controller_Standard->match(Object(Mage_Core_Controller_Request_Http))
#13 /home/cloudpanel/htdocs/www.barstools.co.uk/app/code/core/Mage/Core/Model/App.php(354): Mage_Core_Controller_Varien_Front->dispatch()
#14 /home/cloudpanel/htdocs/www.barstools.co.uk/app/Mage.php(684): Mage_Core_Model_App->run(Array)
#15 /home/cloudpanel/htdocs/www.barstools.co.uk/index.php(87): Mage::run('', 'store')
#16 {main}