summary: Learn how to identify errors in your application and best practice for logging application errors. # Debugging SilverStripe can be a large and complex framework to debug, but there are ways to make debugging less painful. In this guide we show the basics on defining the correct [Environment Type](environment_types) for your application and other built-in helpers for dealing with application errors. [CHILDREN] ## Performance See the [Profiling](../performance/profiling) documentation for more information on profiling SilverStripe to track down bottle-necks and identify slow moving parts of your application chain. ## Debugging Utilities The [Debug](api:SilverStripe\Dev\Debug) class contains a number of static utility methods for more advanced debugging. :::php Debug::show($myVariable); // similar to print_r($myVariable) but shows it in a more useful format. Debug::message("Wow, that's great"); // prints a short debugging message. Backtrace::backtrace(); // prints a calls-stack ## API Documentation * [Backtrace](api:SilverStripe\Dev\Backtrace) * [Debug](api:SilverStripe\Dev\Debug)