Fatal error: Uncaught Error: Class "PhpParser\PrettyPrinterAbstract" not found in D:\xampp\htdocs\dropifypro\vendor\nikic\php-parser\lib\PhpParser\PrettyPrinter\Standard.php:16 Stack trace: #0 {main} thrown in D:\xampp\htdocs\dropifypro\vendor\nikic\php-parser\lib\PhpParser\PrettyPrinter\Standard.php on line 16