WHMCS Troubleshooting Troubleshoot the Support System Problems in the support ticket system and its related features can prevent email replies from importing properly and cause other disruptions. You see a `Argument 7 passed to processPoppedTicket()` error in bounced support emails after performing a WHMCS software update. Troubleshoot and resolve failures when attempting to upload files to a support ticket. 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 Cannot connect to host errors. Troubleshoot and resolve Connection refused errors. Troubleshoot and resolve Access Denied - You are not assigned to any ticket departments errors.