Fatal error: Uncaught Error: Interface "Psr\Http\Message\StreamInterface" not found in D:\xampp\htdocs\dropifypro\vendor\guzzlehttp\psr7\src\MultipartStream.php:13 Stack trace: #0 {main} thrown in D:\xampp\htdocs\dropifypro\vendor\guzzlehttp\psr7\src\MultipartStream.php on line 13