The following error occurred:

exception 'Zend_View_Exception' with message 'Invalid value passed to append; please use appendMeta()' in /var/www/virtual/direct-source.co.uk/library/Zend/View/Helper/HeadMeta.php:219 Stack trace: #0 /var/www/virtual/direct-source.co.uk/library/Zend/View/Helper/HeadMeta.php(158): Zend_View_Helper_HeadMeta->append(Object(stdClass)) #1 /var/www/virtual/direct-source.co.uk/application/default/views/scripts/partners/index.phtml(12): Zend_View_Helper_HeadMeta->__call('appendName', Array) #2 /var/www/virtual/direct-source.co.uk/application/default/views/scripts/partners/index.phtml(12): Zend_View_Helper_HeadMeta->appendName('keywords', NULL) #3 /var/www/virtual/direct-source.co.uk/library/Zend/View.php(108): include('/var/www/virtua...') #4 /var/www/virtual/direct-source.co.uk/library/Zend/View/Abstract.php(880): Zend_View->_run('/var/www/virtua...') #5 /var/www/virtual/direct-source.co.uk/library/Zend/Controller/Action/Helper/ViewRenderer.php(897): Zend_View_Abstract->render('partners/index....') #6 /var/www/virtual/direct-source.co.uk/library/Zend/Controller/Action/Helper/ViewRenderer.php(918): Zend_Controller_Action_Helper_ViewRenderer->renderScript('partners/index....', NULL) #7 /var/www/virtual/direct-source.co.uk/library/Zend/Controller/Action/Helper/ViewRenderer.php(957): Zend_Controller_Action_Helper_ViewRenderer->render() #8 /var/www/virtual/direct-source.co.uk/library/Zend/Controller/Action/HelperBroker.php(277): Zend_Controller_Action_Helper_ViewRenderer->postDispatch() #9 /var/www/virtual/direct-source.co.uk/library/Zend/Controller/Action.php(523): Zend_Controller_Action_HelperBroker->notifyPostDispatch() #10 /var/www/virtual/direct-source.co.uk/library/Zend/Controller/Dispatcher/Standard.php(295): Zend_Controller_Action->dispatch('indexAction') #11 /var/www/virtual/direct-source.co.uk/library/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http)) #12 /var/www/virtual/direct-source.co.uk/application/bootstrap.php(39): Zend_Controller_Front->dispatch() #13 /var/www/virtual/direct-source.co.uk/htdocs/index.php(8): require('/var/www/virtua...') #14 {main}