I’m trying to use data control, but get error “IOError: Input/output error”.

try 
{
    MAP = tizen.datacontrol.getDataControlConsumer(
         "http://tizen.org/datacontrol/provider/DictionaryDataControlProvider", "Dictionary", "MAP");
    var ReqId = new Date().getTime() % 2e9;
    MAP.addValue(ReqId, "tizen", "Foo", onRequestSuccess, onRequestError);
}
catch (err) {
    console.log (err.name +": " + err.message);
}

What’s wrong?

<tizen:privilege name="http://tizen.org/privilege/datacontrol.consumer"/>

This privilege already included in config.xml.