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