When i try to login as admin using the login page i am getting redirected to the error message page

[nath_ePurple]

Hi ,

Since today morning when i try to login to magento as admin user . I am getting redirected to error message page as show below and unable to view the dashboard for admin. Please can some one help. Is the the site been hacked.

There has been an error processing your request

Exception printing is disabled by default for security reasons.

Error log record number: 788824098376

Hence i checked in the reports for the file following message appears in the file.

a:5:{i:0;s:65:"Invalid method Mage_Admin_Model_Session::renewSession(Array
(
)
)";i:1;s:2414:"#0 [internal function]: Varien_Object->__call('renewSession', Array)
#1 /var/www/vhosts/yyyyyyy/xxxxxx/app/code/core/Mage/Admin/Model/Session.php(114): Mage_Admin_Model_Session->renewSession()
#2 /var/www/vhosts/syyyyyyy/xxxxxx/app/code/core/Mage/Admin/Model/Observer.php(55): Object(Mage_Core_Controller_Request_Http))
#3 /var/www/vhosts/yyyyyyy/xxxxxx/app/code/core/Mage/Core/Model/App.php(1228): Mage_Admin_Model_Observer->actionPreDispatchAdmin(Object(Varien_Event_Observer))
#4 /var/www/vhosts/yyyyyyy/xxxxxx/app/code/core/Mage/Core/Model/App.php(1209): Mage_Core_Model_App->_callObserverMethod(Object(Mage_Admin_Model_Observer), 'actionPreDispat...', Object(Varien_Event_Observer))
#5 /var/www/vhosts/yyyyyyy/xxxxxx/app/Mage.php(416): Mage_Core_Model_App->dispatchEvent('controller_acti...', Array)
#6 /var/www/vhosts/yyyyyyy/xxxxxx/app/code/core/Mage/Core/Controller/Varien/Action.php(497): Mage::dispatchEvent('controller_acti...', Array)
#7 /var/www/yyyyyyy/xxxxxx/app/code/core/Mage/Adminhtml/Controller/Action.php(152): Mage_Core_Controller_Varien_Action->preDispatch()
#8 /var/www/vhosts/yyyyyyy/xxxxxxapp/code/core/Mage/Core/Controller/Varien/Action.php(407): Mage_Adminhtml_Controller_Action->preDispatch()
#9 /var/www/vhosts/yyyyyyy/xxxxxx/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(254): Mage_Core_Controller_Varien_Action->dispatch('index')
#10 /var/www/vhosts/yyyyyyy/xxxxxx/app/code/core/Mage/Core/Controller/Varien/Front.php(177): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#11 /var/www/vhosts/yyyyyyy/xxxxxx/app/code/core/Mage/Core/Model/App.php(304): Mage_Core_Controller_Varien_Front->dispatch()
#12 /var/www/yyyyyyy/xxxxxx/app/Mage.php(596): Mage_Core_Model_App->run(Array)hosts/serve
#13 /var/www/yyyyyyy/xxxxxxindex.php(80): Mage::run('', 'store')
#14 {main}";s:3:"url";s:6:"/admin";s:11:"script_name";s:10:"/index.php";s:4:"skin";s:5:"admin";}

[KentChr_DK · Accepted solution]

Hi @nath_ePurple,

Did you solve this matter ?

Else please try to empty your browsers cache/session, and also try to clear your var/cache folders on your server.

Let us know