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 Mage_Core_Block_Template in Magento zendnwar March 18, 2015 The most important feature of this type of block is of course that you can asign it a template .. 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 ..