Error pages display friendly, styled messages about error conditions. All of WHMCS's error pages are fully customizable for your needs.
WHMCS makes troubleshooting easier with built-in error handling.
The Other tab in General Settings allows you to configure additional WHMCS settings. You can enable opt-in settings for marketing emails, user management in the Client Area, file encoding, and more.
WHMCS may return PHP errors and exceptions if errors occur.