Warning: get_class() expects parameter 1 to be object, boolean given  in /var/www/html/app/code/core/Mage/Core/Model/App.php on line 1301

#0 [internal function]: mageCoreErrorHandler(2, 'get_class() exp...', '/var/www/html/a...', 1301, Array)
#1 /var/www/html/app/code/core/Mage/Core/Model/App.php(1301): get_class(false)
#2 /var/www/html/app/code/core/Mage/Core/Model/App.php(1280): Mage_Core_Model_App->_callObserverMethod(false, 'controllerInitB...', Object(Varien_Event_Observer))
#3 /var/www/html/app/Mage.php(417): Mage_Core_Model_App->dispatchEvent('controller_fron...', Array)
#4 /var/www/html/app/code/core/Mage/Core/Controller/Varien/Front.php(128): Mage::dispatchEvent('controller_fron...', Array)
#5 /var/www/html/app/code/core/Mage/Core/Model/App.php(739): Mage_Core_Controller_Varien_Front->init()
#6 /var/www/html/app/code/core/Mage/Core/Model/App.php(1082): Mage_Core_Model_App->_initFrontController()
#7 /var/www/html/app/code/core/Mage/Core/Model/App.php(347): Mage_Core_Model_App->getFrontController()
#8 /var/www/html/app/Mage.php(641): Mage_Core_Model_App->run(Array)
#9 /var/www/html/index.php(441): Mage::run('restaurant', 'website')
#10 {main}