Fatal error: Uncaught Error: Class "PhpParser\ParserAbstract" not found in D:\xampp\htdocs\dropifypro\vendor\nikic\php-parser\lib\PhpParser\Parser\Php7.php:18 Stack trace: #0 {main} thrown in D:\xampp\htdocs\dropifypro\vendor\nikic\php-parser\lib\PhpParser\Parser\Php7.php on line 18