Unknown error (8192): Function split() is deprecated in /app/code/core/Mage/Admin/Model/User.php on line 374 Trace: #0 [internal function]: mageCoreErrorHandler(8192, ‘Function split(…’, ‘ /app/code/core/Mage/…’, 374, Array) #1 /app/code/core/Mage/Admin/Model/User.php(374): split() #2 /app/code/core/Mage/Adminhtml/controllers/IndexController.php(42): Mage_Admin_Model_User->getStartupPageUrl() #3 /app/code/core/Mage/Core/Controller/Varien/Action.php(376): Mage_Adminhtml_IndexController->indexAction() #4 /app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(248): Mage_Core_Controller_Varien_Action->dispatch(’index’) #5 /app/code/core/Mage/Core/Controller/Varien/Front.php(158): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http)) #6 /app/Mage.php(459): Mage_Core_Controller_Varien_Front->dispatch() #7 /index.php(65): Mage::run() #8 {main}

Solve:

Finally, open the file: app\code\core\Mage\Admin\Model\User.php and change:

Look for the line:

$nodePath = ‘adminhtml/menu/’ . join(‘/children/’, split(‘/’, $startupPage)) . ‘/action’;

Replace With:

$nodePath = ‘adminhtml/menu/’ . join(‘/children/’, explode(‘/’, $startupPage)) . ‘/action’;