Exception

[Desrever Nu]

Exception in thread "priceTriggerTask" java.lang.NullPointerException
    at com.nubits.nubot.pricefeeds.PriceFeedManager.fetchLastPrices(PriceFeedManager.java:127)
    at com.nubits.nubot.tasks.PriceMonitorTriggerTask.executeUpdatePrice(PriceMonitorTriggerTask.java:198)
    at com.nubits.nubot.tasks.PriceMonitorTriggerTask.run(PriceMonitorTriggerTask.java:127)
    at java.util.TimerThread.mainLoop(Timer.java:555)
    at java.util.TimerThread.run(Timer.java:505)