I am suddenly getting this Exception when I run history.getBars. Do you know what may be causing it?

2012-04-16 21:04:00.163 ERROR FeedDataHistoryFirstTimesManager - Request to DFS timed out
com.dukascopy.charts.data.datacache.DataCacheException: Request to DFS timed out
at com.dukascopy.charts.data.datacache.CurvesJsonProtocolHandler.processMessage(CurvesJsonProtocolHandler.java:1690)
at com.dukascopy.charts.data.datacache.firsttimes.FeedDataHistoryFirstTimesManager.getFirstTimeFromDFS(FeedDataHistoryFirstTimesManager.java:193)
at com.dukascopy.charts.data.datacache.firsttimes.FeedDataHistoryFirstTimesManager.checkDFSFillAllCaches(FeedDataHistoryFirstTimesManager.java:296)
at com.dukascopy.charts.data.datacache.firsttimes.FeedDataHistoryFirstTimesManager.getFirstFeedDataTime(FeedDataHistoryFirstTimesManager.java:168)
at com.dukascopy.charts.data.datacache.FeedDataProvider.getTimeOfFirstCandle(FeedDataProvider.java:1479)
at com.dukascopy.charts.data.datacache.customperiod.tick.LoadCandlesFromTicksAction.performLoadingForFromToTimes(LoadCandlesFromTicksAction.java:184)
at com.dukascopy.charts.data.datacache.customperiod.tick.LoadCandlesFromTicksAction.run(LoadCandlesFromTicksAction.java:152)
at com.dukascopy.charts.data.datacache.LoadCustomPeriodDataAction.run(LoadCustomPeriodDataAction.java:98)
at com.dukascopy.charts.data.datacache.LoadDataAction.run(LoadDataAction.java:141)
at com.dukascopy.charts.data.datacache.FeedDataProvider.loadCandlesDataSynched(FeedDataProvider.java:553)
at com.dukascopy.api.impl.History.getBarsSecured(History.java:518)
at com.dukascopy.api.impl.History$10.run(History.java:487)
at com.dukascopy.api.impl.History$10.run(History.java:484)
at java.security.AccessController.doPrivileged(Native Method)
at com.dukascopy.api.impl.History.getBars(History.java:484)
at model.MyBrokerMessages.onStart(MyBrokerMessages.java:263)
at com.dukascopy.api.impl.execution.TaskStart.call(TaskStart.java:27)
at com.dukascopy.api.impl.connect.StrategyProcessor.onStart(StrategyProcessor.java:147)
at com.dukascopy.api.impl.connect.JForexTaskManager$1.call(JForexTaskManager.java:510)
at com.dukascopy.api.impl.connect.JForexTaskManager$1.call(JForexTaskManager.java:491)
at com.dukascopy.api.impl.execution.TaskCustom.call(TaskCustom.java:34)
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at com.dukascopy.api.impl.execution.ScienceThreadPoolExecutor$Worker.runTask(ScienceThreadPoolExecutor.java:904)
at com.dukascopy.api.impl.execution.ScienceThreadPoolExecutor$Worker.run(ScienceThreadPoolExecutor.java:926)
at java.lang.Thread.run(Unknown Source)

There were temporary data feed server problems.