WHMCS Tags troubleshooting-article Troubleshoot and resolve Unable to Connect errors while using the ImportAssist addon module. Troubleshoot and resolve 404 Page Not Found errors. Troubleshoot and resolve Oops! errors that occur while working with addon modules. You see a `Argument 7 passed to processPoppedTicket()` error in bounced support emails after performing a WHMCS software update. Troubleshoot and resolve The system prevented an autoresponder from opening a ticket. (WHMCS 8.4 and later) or Prevented an Auto Responder from Opening a Ticket (WHMCS 8.3 and earlier) errors. Troubleshoot and resolve Bad User name or Password errors while using Enom for domain registration or SSL certificate sales. Troubleshoot and resolve issues with a blank Choose a Domain page in the Client Area.