Editing Debugging

Debugging in Moodle involves several techniques, from enabling built-in debugging messages to using developer tools and logging.

Here is a comprehensive guide on how to debug in Moodle, starting with the essential built-in features.

== Enable Moodle's Built-in Debugging ==
This is the first and most crucial step for any Moodle issue. It forces Moodle to display errors, warnings, and detailed information.

#Log in as an administrator.
#Go to Site administration > Development > Debugging.
#Set the Debug messages dropdown to DEVELOPER. This is the highest level and displays all PHP notices, warnings, and errors.
#Check the box for Display debug messages.
#Check the box for Show performance information (optional, but helpful).
#Save changes.

Once enabled, Moodle will display detailed error messages at the top of the screen (or in the logs) when an issue occurs, often including a stack trace pointing to the file and line number where the problem originated.