Fatal error: Uncaught Error: Class 'Monolog\Handler\AbstractProcessingHandler' not found in /home/xlafr0/public_html/icms/vendor/monolog/monolog/src/Monolog/Handler/SlackbotHandler.php:22 Stack trace: #0 {main} thrown in /home/xlafr0/public_html/icms/vendor/monolog/monolog/src/Monolog/Handler/SlackbotHandler.php on line 22