Fatal error: Uncaught Error: Class 'Psy\Shell' not found in /home/edmedu/www/edmtw.com/dev.bak/vendor/psy/psysh/test/FakeShell.php:16 Stack trace: #0 {main} thrown in /home/edmedu/www/edmtw.com/dev.bak/vendor/psy/psysh/test/FakeShell.php on line 16