Fatal error: Uncaught Error: Class 'Symfony\Component\HttpClient\Chunk\DataChunk' not found in C:\xampp\htdocs\plugins\Symfony\Component\HttpClient\Chunk\FirstChunk.php:19 Stack trace: #0 {main} thrown in C:\xampp\htdocs\plugins\Symfony\Component\HttpClient\Chunk\FirstChunk.php on line 19