Fatal error: Uncaught Error: Interface "PhpParser\NodeTraverserInterface" not found in C:\AppServ\Apache\2.4.58\htdocs\sets\vendor\nikic\php-parser\lib\PhpParser\NodeTraverser.php:5 Stack trace: #0 {main} thrown in C:\AppServ\Apache\2.4.58\htdocs\sets\vendor\nikic\php-parser\lib\PhpParser\NodeTraverser.php on line 5