Troubleshoot and resolve Oops! InvalidDomain: The domain is invalid errors while managing domains in the Admin Area.
Troubleshoot and resolve Down for Maintenance errors.
Troubleshoot and resolve Duplicate entry '0' for key 'PRIMARY' errors.
Troubleshoot and resolve 1062 Duplicate entry for key tblconfiguration.PRIMARY errors.
Troubleshoot and resolve Field xxx doesn't have a default value errors.
Models offer a code-driven method for interacting with the database. Many WHMCS database tables are available as modeled classes.
Troubleshoot and resolve MySQL server has gone away errors.