Fatal error: Uncaught Error: Class 'Monolog\Handler\AbstractHandler' not found in /var/www/api_backup/vendor/symfony/monolog-bridge/Handler/ElasticsearchLogstashHandler.php:42 Stack trace: #0 {main} thrown in /var/www/api_backup/vendor/symfony/monolog-bridge/Handler/ElasticsearchLogstashHandler.php on line 42