Fatal error: Uncaught Error: Class 'Psy\Test\ParserTestCase' not found in /home/app/htdocs/message_gateway/vendor/psy/psysh/test/CodeCleaner/NoReturnValueTest.php:18 Stack trace: #0 {main} thrown in /home/app/htdocs/message_gateway/vendor/psy/psysh/test/CodeCleaner/NoReturnValueTest.php on line 18