Extended associated event not found exception message

src/Service/EventMapper.php

@@ -45,6 +45,16 @@ class EventMapper implements EventMapperInterface
             }
         }
 
-        throw new AssociatedEventNotFound(json_encode($payload));
+        $error = <<<ERR
+        Not found event.
+
+        Queue: %s
+        Routing key: %s
+        Payload: %s
+        ERR;
+
+        throw new AssociatedEventNotFound(
+            sprintf($error, $queueName, $routingKey, json_encode($payload))
+        );
     }
 }