Fatal error: Uncaught Error: Class "Laravel\Lumen\Exceptions\Handler" not found in /home/salkanta/test.api.salkantay-trekking.com/app/Exceptions/Handler.php:20 Stack trace: #0 {main} thrown in /home/salkanta/test.api.salkantay-trekking.com/app/Exceptions/Handler.php on line 20