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