Fatal error: Uncaught Error: Class 'PhpParser\ParserAbstract' not found in D:\xampp\htdocs\jconf\ck\vendor\nikic\php-parser\lib\PhpParser\Parser\Php7.php:19 Stack trace: #0 {main} thrown in D:\xampp\htdocs\jconf\ck\vendor\nikic\php-parser\lib\PhpParser\Parser\Php7.php on line 19