Fatal error: Uncaught Error: Class "Symfony\Component\Yaml\Exception\RuntimeException" not found in D:\xampp\htdocs\dropifypro\vendor\symfony\yaml\Exception\DumpException.php:19 Stack trace: #0 {main} thrown in D:\xampp\htdocs\dropifypro\vendor\symfony\yaml\Exception\DumpException.php on line 19