Metrics service in livingontheedge.hawkular.org shows error.

HS log ERROR:

2016-11-10T14:02:35.299100000Z �[0m�[31m14:02:35,297 ERROR [org.hawkular.agent.monitor.storage.HawkularStorageAdapter] (OkHttp http://snapshot-rc-rro5d:8080/hawkular/metrics/metrics/data) HAWKMONITOR010010: Failed to store metric data: {"counters":[],"strings":[],"availabilities":[],"gauges":[{"data":[

],"id":"MI~R~[f1c5b2fd-f9d5-437e-9169-08b77ce2d917/Local~/subsystem=messaging-activemq/server=default/jms-queue=ExpiryQueue]~MT~JMS Queue Metrics~Consumer Count"}]}: java.io.IOException: status-code=[500], reason=[Internal Server Error], url=http://snapshot-rc-rro5d:8080/hawkular/metrics/metrics/data
2016-11-10T14:02:35.301894000Z at org.hawkular.agent.monitor.storage.HawkularStorageAdapter$1.onResponse(HawkularStorageAdapter.java:188)
2016-11-10T14:02:35.302445000Z at com.squareup.okhttp.Call$AsyncCall.execute(Call.java:177)
2016-11-10T14:02:35.302907000Z at com.squareup.okhttp.internal.NamedRunnable.run(NamedRunnable.java:33)
2016-11-10T14:02:35.303392000Z at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
2016-11-10T14:02:35.303830000Z at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
2016-11-10T14:02:35.304260000Z at java.lang.Thread.run(Thread.java:745)