Troubleshooting Cron Job Not Completed Warning or Segfault

Symptom

After applying the 7.9.0 update, the daily automation tasks may not complete fully, stopping at the AutoTerminations or CancellationRequests tasks.

This may manifest itself as a warning on the Automation Overview widget or to Help > System Health Status.

You may observe a Segmentation Fault in your server logs.

Solution

Apply the 7.9.1 Maintenance Release via Utilities > Update WHMCS.

Hotfix

A hotfix has been created for 7.9.0 only which will resolve the cause of this error in the new usage billing routines:

https://whmcs.community/files/file/122-core-14170-segfault-on-cron-job-termination-tasks/