Fatal error: Uncaught Error: Class 'PhpParser\Node\Expr' not found in C:\xampp\htdocs\admin\vendor\nikic\php-parser\lib\PhpParser\Node\Scalar.php:5 Stack trace: #0 {main} thrown in C:\xampp\htdocs\admin\vendor\nikic\php-parser\lib\PhpParser\Node\Scalar.php on line 5