Fatal error: Uncaught Error: Class 'Raven_Client' not found in /var/www/biznesugry.rf/data/vendor/monolog/monolog/tests/Monolog/Handler/MockRavenClient.php:16 Stack trace: #0 {main} thrown in /var/www/biznesugry.rf/data/vendor/monolog/monolog/tests/Monolog/Handler/MockRavenClient.php on line 16