Fatal error: Uncaught Error: Class 'Psy\Shell' not found in /home/app/htdocs/message_gateway/vendor/psy/psysh/test/FakeShell.php:16 Stack trace: #0 {main} thrown in /home/app/htdocs/message_gateway/vendor/psy/psysh/test/FakeShell.php on line 16