Fatal error: Uncaught Error: Class 'PhpParser\NodeVisitorAbstract' not found in /var/www/app/appregwebservice/vendor/nikic/php-parser/lib/PhpParser/NodeVisitor/FindingVisitor.php:12 Stack trace: #0 {main} thrown in /var/www/app/appregwebservice/vendor/nikic/php-parser/lib/PhpParser/NodeVisitor/FindingVisitor.php on line 12