Fatal error: Uncaught Error: Interface "GuzzleHttp\MessageFormatterInterface" not found in D:\inetpub\localuser\static.ecare.pro\fcm\vendor\guzzlehttp\guzzle\src\MessageFormatter.php:38 Stack trace: #0 {main} thrown in D:\inetpub\localuser\static.ecare.pro\fcm\vendor\guzzlehttp\guzzle\src\MessageFormatter.php on line 38