Sometime on 11/13, our working-for-many-years forwarding pipe to our WHMCS started failing:
What would cause this? We've changed nothing. Was there an update that changed the way the pipe is processed?
2019-11-15 14:09:10 1iVjm9-0001lC-Iv ** |/home/risp/whmcs_crons/pipe.php ([email protected]) <[email protected]> R=virtual_aliases_nostar T=jailed_virtual_address_pipe: Child process of jailed_virtual_address_pipe transport returned 255 (could mean shell command ended by signal 127 (Unknown signal 127)) from command: /usr/local/cpanel/bin/jailexec