Fatal error: Uncaught Error: Class "Pusher\PusherException" not found in /Applications/MAMP/htdocs/Native/vendor/pusher/pusher-php-server/src/ApiErrorException.php:10 Stack trace: #0 {main} thrown in /Applications/MAMP/htdocs/Native/vendor/pusher/pusher-php-server/src/ApiErrorException.php on line 10