Fatal error: Uncaught Error: Class 'PhutilSignalHandler' not found in /home/cybertoast/sites/phab.cybertoast.com/arcanist/src/future/exec/PhutilCallbackSignalHandler.php:4
Stack trace:
#0 {main}
thrown in /home/cybertoast/sites/phab.cybertoast.com/arcanist/src/future/exec/PhutilCallbackSignalHandler.php on line 4