Fatal error: Uncaught Error: Class "Google\Auth\HttpHandler\Guzzle6HttpHandler" not found in D:\inetpub\localuser\static.ecare.pro\fcm\google-auth-library-php-1.39.0\src\HttpHandler\Guzzle7HttpHandler.php:19
Stack trace:
#0 {main}
  thrown in D:\inetpub\localuser\static.ecare.pro\fcm\google-auth-library-php-1.39.0\src\HttpHandler\Guzzle7HttpHandler.php on line 19