Duplicating messages from Slack

[evgsentrium]

I'm faced a problem of duplicating messages from Slack channel.
Logs & versions information you can find below.
How can I fix it?

• Version of phabulous - v3.0.0-beta3

• Version of phabricator - fa4f53077172a865bfd89b6063807afe03bd722b (Aug 25 2018)

• Log output:
  Sep 26 11:15:45 phabricator phabulous: time="2018-09-26T11:15:45-04:00" level=debug msg="RTM Event received."
  Sep 26 11:15:45 phabricator phabulous: time="2018-09-26T11:15:45-04:00" level=debug msg="Current latency: 83.364341ms\n"
  Sep 26 11:15:54 phabricator phabulous: time="2018-09-26T11:15:54-04:00" level=debug msg="RTM Event received."
  Sep 26 11:15:55 phabricator phabulous: time="2018-09-26T11:15:55-04:00" level=debug msg="RTM Event received."
  Sep 26 11:15:55 phabricator phabulous: time="2018-09-26T11:15:55-04:00" level=debug msg="Message: &{{message CCX41VDK5 UCWN64Y1F T71 1537974955.000100 false [] [] false 0 false 1537974955.000100 [] 0 [] false 0 T976FK7LJ [] false} }\n"
  Sep 26 11:15:56 phabricator phabulous: time="2018-09-26T11:15:56-04:00" level=debug msg="RTM Event received."
  Sep 26 11:15:56 phabricator phabulous: time="2018-09-26T11:15:56-04:00" level=debug msg="Message: &{{message CCX41VDK5 UCXACLM6G T71: Task subject (open): https://my.phabricator.domain/T71 1537974956.000100 false [] [] false 0 false 1537974956.000100 BCXACLK4L [] 0 [] false 0 T976FK7LJ [] false} }\n"
  Sep 26 11:15:56 phabricator phabulous: time="2018-09-26T11:15:56-04:00" level=debug msg="RTM Event received."
  Sep 26 11:15:56 phabricator phabulous: time="2018-09-26T11:15:56-04:00" level=debug msg="Message: &{{message CCX41VDK5 UCXACLM6G T71: Task subject (open): https://my.phabricator.domain/T71 1537974956.000200 false [] [] false 0 false 1537974956.000200 BCXACLK4L [] 0 [] false 0 T976FK7LJ [] false} }\n"

• Relevant slack screenshot:
  

[georgebarnick]

Having this issue too. It does it in the feed channel too so when a feed entry comes through it sends two more messages as well