When sending an event, the response "message" field can be null.

Author: HelgeSverre

src/Requests/Events/EventSendRequest.php

@@ -32,7 +32,7 @@ public function createDtoFromResponse(Response $response): EventSendResponse
 
         return new EventSendResponse(
             success: $data['success'],
-            message: $data['message']
+            message: $data['message'] ?? null
         );
     }