Can't set raven as wakeword on pi zero

Hi there !

When I try to set up raven as a wakeworkd on the pi zero it fails to save.
“ProcessLookupError: [Errno 3] No such process”

Here is the log:
Jan 7 22:32:05 lapin rhasspy[423]: [ERROR:2023-01-07 22:32:05,777] rhasspyserver_hermes: [Errno 3] No such process
Jan 7 22:32:05 lapin rhasspy[423]: Traceback (most recent call last):
Jan 7 22:32:05 lapin rhasspy[423]: File “/usr/lib/rhasspy/usr/local/lib/python3.7/site-packages/quart/app.py”, line 1821, in full_dispatch_request
Jan 7 22:32:05 lapin rhasspy[423]: result = await self.dispatch_request(request_context)
Jan 7 22:32:05 lapin rhasspy[423]: File “/usr/lib/rhasspy/usr/local/lib/python3.7/site-packages/quart/app.py”, line 1869, in dispatch_request
Jan 7 22:32:05 lapin rhasspy[423]: return await handler(**request_.view_args)
Jan 7 22:32:05 lapin rhasspy[423]: File “/usr/lib/rhasspy/rhasspy-server-hermes/rhasspyserver_hermes/main.py”, line 1339, in api_restart
Jan 7 22:32:05 lapin rhasspy[423]: os.kill(int(pid), signal.SIGHUP)
Jan 7 22:32:05 lapin rhasspy[423]: ProcessLookupError: [Errno 3] No such process

Rhaspy is installed with the latest .deb.

Thanks a lot !