While working on online store or extension every Magento developer needs debug information about errors in the code. Also the information about the exception that is generated by Magento can be very useful for developers. There are some powerful tools in Magento to obtain this information: exception log and error messages (you should enable error reporting). In this article I will tell you how to activate these features in Magento.
Before enabling error messages (or exceptions log) it is necessary to disable caching and compilation in the Magento administrative panel.