Change the error reporting in Joomla

Error reporting is a very important tool when it comes to debugging an application, but it's not very useful and it can be considered a bad practice from a security standpoint when the site moves to the production stage.

For instance, the "notices" or the  "strict standards" error message are useful to the developer to a certain extent, but not to the end user. In such cases, you may need to change the error reporting setting.

In Joomla 3.x
Login as admin. Select menu System -> Global Configuration -> Server (tab).
In the Server Settings section, change Error Reporting to Simple or None.



In Joomla 2.5 and Joomla 1.5
Login as admin. Select menu Site -> Global Configuration -> Server (tab).
In the Server Settings section, change Error Reporting to Simple or None.