RuntimeError: can't start new thread

[caohuongls]

I'm encountering an issue with my Raspberry Pi Zero 2W. The speakers connected via the 2 HAT won’t activate voice until I restart the service. This happens when I haven't used it for a few hours.

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Sep 22 03:19:56 3dprint run[611]: Traceback (most recent call last):
Sep 22 03:19:56 3dprint run[611]: File "/root/wyoming-openwakeword/.venv/lib/python3.9/site-packages/wyoming/server.py", line 41, in run
Sep 22 03:19:56 3dprint run[611]: if not (await self.handle_event(event)):
Sep 22 03:19:56 3dprint run[611]: File "/root/wyoming-openwakeword/wyoming_openwakeword/handler.py", line 73, in handle_event
Sep 22 03:19:56 3dprint run[611]: ensure_loaded(
Sep 22 03:19:56 3dprint run[611]: File "/root/wyoming-openwakeword/wyoming_openwakeword/handler.py", line 256, in ensure_loaded
Sep 22 03:19:56 3dprint run[611]: state.ww_threads[model_key].start()
Sep 22 03:19:56 3dprint run[611]: File "/usr/lib/python3.9/threading.py", line 874, in start
Sep 22 03:19:56 3dprint run[611]: _start_new_thread(self._bootstrap, ())
Sep 22 03:19:56 3dprint run[611]: RuntimeError: can't start new thread