Argument 7 Ticket Errors

You see a `Argument 7 passed to processPoppedTicket()` error in bounced support emails after performing a WHMCS software update.


Auto-Submitted Header Errors

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.





Email Loop Errors

Troubleshoot and resolve The system blocked a potential email loop. (WHMCS 8.4 and later) or Blocked Potential Email Loop (WHMCS 8.3 and earlier) errors.



Logon Failure Errors

Troubleshoot and resolve Logon failure: unknown user name or bad password errors.





POP3 Cron Not Running

Troubleshoot and resolve a POP3 cron not running emails and WHMCS Pop Cron Did Not Run errors.


Single ID Errors

Troubleshoot and resolve Error: the single id was not found in response errors.


Unregistered Address Errors

Troubleshoot and resolve The sender's email address is not registered. (WHMCS 8.4 and later) or Unregistered Email Address (WHMCS 8.3 and earlier) errors.