Fatal error: Uncaught Error: Interface "GuzzleHttp\MessageFormatterInterface" not found in C:\xampp\htdocs\singular_law\vendor\guzzlehttp\guzzle\src\MessageFormatter.php:40 Stack trace: #0 {main} thrown in C:\xampp\htdocs\singular_law\vendor\guzzlehttp\guzzle\src\MessageFormatter.php on line 40