I had trouble logging into the Magento admin panel, I failed to login correctly 3 times, on the fourth attempt I got the following error.
There has been an error processing your request Exception printing is disabled by default for security reasons.
Error log record number: 1279920557761
Below is a copy of the error report.
Can somebody point me in the right direction as to what is wrong?
a:5:{i:0;s:29:"Indexer model is not defined.";i:1;s:4721:"#0 /var/www/vhosts/example.com/app/code/core/Mage/Index/Model/Process.php(311): Mage::throwException('Indexer model i...')
#1 /var/www/vhosts/example.com/app/code/core/Mage/Index/Block/Adminhtml/Notifications.php(41): Mage_Index_Model_Process->getIndexer()
#2 /var/www/vhosts/example.com/app/design/adminhtml/default/default/template/index/notifications.phtml(27): Mage_Index_Block_Adminhtml_Notifications->getProcessesForReindex()
#3 /var/www/vhosts/example.com/app/code/core/Mage/Core/Block/Template.php(241): include('/var/www/vhosts...')
#4 /var/www/vhosts/example.com/app/code/core/Mage/Core/Block/Template.php(272): Mage_Core_Block_Template->fetchView('adminhtml/defau...')
#5 /var/www/vhosts/example.com/app/code/core/Mage/Core/Block/Template.php(286): Mage_Core_Block_Template->renderView()
#6 /var/www/vhosts/example.com/app/code/core/Mage/Adminhtml/Block/Template.php(81): Mage_Core_Block_Template->_toHtml()
#7 /var/www/vhosts/example.com/app/code/core/Mage/Index/Block/Adminhtml/Notifications.php(67): Mage_Adminhtml_Block_Template->_toHtml()
#8 /var/www/vhosts/example.com/app/code/core/Mage/Core/Block/Abstract.php(923): Mage_Index_Block_Adminhtml_Notifications->_toHtml()
#9 /var/www/vhosts/example.com/app/code/core/Mage/Core/Block/Text/List.php(43): Mage_Core_Block_Abstract->toHtml()
#10 /var/www/vhosts/example.com/app/code/core/Mage/Core/Block/Abstract.php(923): Mage_Core_Block_Text_List->_toHtml()
#11 /var/www/vhosts/example.com/app/code/core/Mage/Core/Block/Abstract.php(641): Mage_Core_Block_Abstract->toHtml()
#12 /var/www/vhosts/example.com/app/code/core/Mage/Core/Block/Abstract.php(585): Mage_Core_Block_Abstract->_getChildHtml('notifications', true)
#13 /var/www/vhosts/example.com/app/design/adminhtml/default/default/template/page.phtml(55): Mage_Core_Block_Abstract->getChildHtml('notifications')
#14 /var/www/vhosts/example.com/app/code/core/Mage/Core/Block/Template.php(241): include('/var/www/vhosts...')
#15 /var/www/vhosts/example.com/app/code/core/Mage/Core/Block/Template.php(272): Mage_Core_Block_Template->fetchView('adminhtml/defau...')
#16 /var/www/vhosts/example.com/app/code/core/Mage/Core/Block/Template.php(286): Mage_Core_Block_Template->renderView()
#17 /var/www/vhosts/example.com/app/code/core/Mage/Adminhtml/Block/Template.php(81): Mage_Core_Block_Template->_toHtml()
#18 /var/www/vhosts/example.com/app/code/core/Mage/Core/Block/Abstract.php(923): Mage_Adminhtml_Block_Template->_toHtml()
#19 /var/www/vhosts/example.com/app/code/core/Mage/Core/Model/Layout.php(555): Mage_Core_Block_Abstract->toHtml()
#20 /var/www/vhosts/example.com/app/code/core/Mage/Core/Controller/Varien/Action.php(390): Mage_Core_Model_Layout->getOutput()
#21 /var/www/vhosts/example.com/app/code/core/Mage/Adminhtml/controllers/DashboardController.php(43): Mage_Core_Controller_Varien_Action->renderLayout()
#22 /var/www/vhosts/example.com/app/code/core/Mage/Core/Controller/Varien/Action.php(418): Mage_Adminhtml_DashboardController->indexAction()
#23 /var/www/vhosts/example.com/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(254): Mage_Core_Controller_Varien_Action->dispatch('index')
#24 /var/www/vhosts/example.com/app/code/core/Mage/Core/Controller/Varien/Front.php(172): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#25 /var/www/vhosts/example.com/app/code/core/Mage/Core/Model/App.php(365): Mage_Core_Controller_Varien_Front->dispatch()
#26 /var/www/vhosts/example.com/app/Mage.php(683): Mage_Core_Model_App->run(Array)
#27 /var/www/vhosts/example.com/index.php(83): Mage::run('', 'store')
#28 {main}";s:3:"url";s:73:"/index.php/ts_admin/dashboard/index/key/ce7cfc51cc5db517fd53a5b2a650c576/";s:11:"script_name";s:10:"/index.php";s:4:"skin";s:5:"admin";}