dbModel read resource does not implement Zend_Db_Adapter_Abstract admin January 10, 2017 Magento 280 Comments It is very simple just clear the cache /var/cache/folder Related Posts Programmatically remove order in Magento admin September 19, 2016 <?php require_once ‘app/Mage.php’; umask(0); Mage::app(); Mage::register(‘ .. How to change Admin URL in Magento? zendnwar October 1, 2012 How to change Admin URL in Magento? This is very simple work. You have to change local.xml file ..