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 Standard Product Types in Magento zendnwar October 2, 2014 Magento has 6 standard product types, including: Simple product, grouped product, configurable .. How to increase Admin session time in Magento? zendnwar October 4, 2012 How to increase Admin session time in Magento? System -> Configuration General > Web Sess ..