Fatal error: Uncaught Error: Class "PhpParser\NodeVisitorAbstract" not found in C:\xampp\htdocs\my-app\my-new-app\vendor\nikic\php-parser\lib\PhpParser\NodeVisitor\FirstFindingVisitor.php:13 Stack trace: #0 {main} thrown in C:\xampp\htdocs\my-app\my-new-app\vendor\nikic\php-parser\lib\PhpParser\NodeVisitor\FirstFindingVisitor.php on line 13