ConflictError arbiter is already running arbiter_start_watchers command

[lovesharepc]

hello I use ubuntu22.04 with python3.10.6
virsion
circus 0.17.2
tornado 6.2
when I use start circusd to start my app get this error message

2022-11-09 08:31:19 tornado.application[70459] [ERROR] Exception in callback <bound method Arbiter.manage_watchers of <circus.arbiter.Arbiter object at 0x7fe6dfead960>>
Traceback (most recent call last):
  File "/usr/local/lib/python3.10/dist-packages/tornado/ioloop.py", line 921, in _run
    val = self.callback()
  File "/usr/local/lib/python3.10/dist-packages/circus/util.py", line 1042, in wrapper
    raise ConflictError("arbiter is already running %s command"
circus.exc.ConflictError: arbiter is already running arbiter_start_watchers command

in ubuntu 20.04 with python3.8.10
virsion
circus 0.17.1
tornado 6.2

there is no error like this

how do I resolve this problem ?

[encetamasb]

I have the same issue.

I get this error only if I set numprocesses > 4 on my single watcher.