If you do not know the cause of a problem, troubleshooting helps you learn more about it. We recommend trying basic steps to gather information before you contact WHMCS support.
For many types of issue, the first step in troubleshooting is enabling WHMCS's error reporting system.
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.
WHMCS includes multiple error logs for various features.
Refreshing directories can help to troubleshoot and resolve some errors.