Fatal error: Uncaught Error: Class 'Monolog\Handler\AbstractHandler' not found in /home/benjamincb/demos/acdg/vendor/symfony/monolog-bridge/Handler/NotifierHandler.php:25 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg/vendor/symfony/monolog-bridge/Handler/NotifierHandler.php on line 25