Fatal error: Uncaught Error: Class "GuzzleHttp\Promise\RejectionException" not found in D:\inetpub\localuser\static.ecare.pro\fcm\vendor\guzzlehttp\promises\src\AggregateException.php:10
Stack trace:
#0 {main}
  thrown in D:\inetpub\localuser\static.ecare.pro\fcm\vendor\guzzlehttp\promises\src\AggregateException.php on line 10