error: duplicate metrics collector registration attempted

[iatalay]

Hello
Do you have a fix for this issue?
ref: #56

ts=2018-06-21T16:34:38.198+03:00 lvl=error msg="task finished with error" service=task_store err="morgoth3: failed to register metrics for group: "cpu=cpu-total,host=KLMETZOOD1": window count metric: duplicate metrics collector registration attempted" task=cpu_usage_idle

Thanks.

[prandelicious]

Getting this error message, too.