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 How to get customer group Id and group name in Magento? zendnwar May 15, 2013 It is very simple in Magento. Please follow my below code. $login = Mage::getSingleton( ‘ .. Fatal error: Uncaught Error: Function name must be a string in app/code/core/Mage/Core/Model/Layout.php:555 zendnwar February 24, 2016 This is because you need to clarify the `$callback` variable will be called as a method (functi ..