Fatal error: Uncaught Error: Class "PhpParser\NodeVisitorAbstract" not found in C:\WebServer\htdocs\bookshelf\vendor\psy\psysh\src\CodeCleaner\CodeCleanerPass.php:19 Stack trace: #0 {main} thrown in C:\WebServer\htdocs\bookshelf\vendor\psy\psysh\src\CodeCleaner\CodeCleanerPass.php on line 19