Fatal error: Uncaught Error: Class "PhpParser\NodeVisitorAbstract" not found in I:\www\pvcMsg\vendor\nikic\php-parser\lib\PhpParser\NodeVisitor\FirstFindingVisitor.php:13 Stack trace: #0 {main} thrown in I:\www\pvcMsg\vendor\nikic\php-parser\lib\PhpParser\NodeVisitor\FirstFindingVisitor.php on line 13