Fatal error: Uncaught Error: Class "PhpParser\NodeVisitorAbstract" not found in /opt/lampp/htdocs/appproject/vendor/psy/psysh/src/Readline/Interactive/Helper/ArgumentExtractorVisitor.php:24 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/appproject/vendor/psy/psysh/src/Readline/Interactive/Helper/ArgumentExtractorVisitor.php on line 24