Illegal scheme supplied, only alphanumeric characters are permitted

#0 /var/www/html/app/code/core/Mage/Core/Model/Store.php(777): Zend_Uri::factory('/')
#1 /var/www/html/app/code/core/Mage/Core/Controller/Varien/Front.php(332): Mage_Core_Model_Store->isCurrentlySecure()
#2 /var/www/html/app/code/core/Mage/Core/Controller/Varien/Front.php(161): Mage_Core_Controller_Varien_Front->_checkBaseUrl(Object(Mage_Core_Controller_Request_Http))
#3 /var/www/html/app/code/core/Mage/Core/Model/App.php(354): Mage_Core_Controller_Varien_Front->dispatch()
#4 /var/www/html/app/Mage.php(684): Mage_Core_Model_App->run(Array)
#5 /var/www/html/index.php(105): Mage::run('base', 'website')
#6 {main}