Fatal error: Uncaught Error: Class 'PhpParser\CodeTestAbstract' not found in E:\xampp\htdocs\vendor\nikic\php-parser\test\PhpParser\PrettyPrinterTest.php:15 Stack trace: #0 {main} thrown in E:\xampp\htdocs\vendor\nikic\php-parser\test\PhpParser\PrettyPrinterTest.php on line 15