MongoDb-Kafka-Connector error

Thank you, have used the tutorial example but still sending data to mongodb

    "config": {
      "connector.class":"com.mongodb.kafka.connect.MongoSinkConnector",
      "tasks.max":"1",
      "topics": "ChatData",
      "connection.uri": " ",
      "database":"socketIo-MongoDb",
      "collection":"chatfeed",
      "key.converter":"org.apache.kafka.connect.json.JsonConverter",
      "key.converter.schemas.enable":false,
      "value.converter":"org.apache.kafka.connect.json.JsonConverter",
      "value.converter.schemas.enable":false,
      "publish.full.document.only": "true"
            }
}```