How can one effectively debug and resolve installation issues with PHP scripts like AgileBill?

To effectively debug and resolve installation issues with PHP scripts like AgileBill, first, check the error logs for any specific error messages. Ensure that all required dependencies are installed and configured correctly. Make sure that file permissions are set properly for the script to run smoothly.

// Example code snippet to check error logs for specific error messages
error_log('Error message: ' . $error_message, 0);