135209 livekit.1 | 2025-07-30 135209,534 - DEBUG asyncio - Using selector: KqueueSelector {“pid”: 12627} 135211 livekit.1 | 2025-07-30 135211,526 - WARNING livekit.agents - failed to synthesize speech, retrying in 2.0s 135211 livekit.1 | Traceback (most recent call last): 135211 livekit.1 | File “/Users/olivernaaris/git-projects/polyglotpal/polyglotpal/backend/.venv/lib/python3.13/site-packages/livekit/plugins/cartesia/tts.py”, line 351, in _run 135211 livekit.1 | await asyncio.gather(*tasks) 135211 livekit.1 | File “/Users/olivernaaris/git-projects/polyglotpal/polyglotpal/backend/.venv/lib/python3.13/site-packages/livekit/plugins/cartesia/tts.py”, line 309, in _input_task 135211 livekit.1 | self._sent_tokenizer_stream.end_input() 135211 livekit.1 | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^ 135211 livekit.1 | File “/Users/olivernaaris/git-projects/polyglotpal/polyglotpal/backend/.venv/lib/python3.13/site-packages/livekit/agents/tokenize/token_stream.py”, line 94, in end_input 135211 livekit.1 | self.flush() 135211 livekit.1 | ~~~~~~~~~~^^ 135211 livekit.1 | File “/Users/olivernaaris/git-projects/polyglotpal/polyglotpal/backend/.venv/lib/python3.13/site-packages/livekit/agents/tokenize/token_stream.py”, line 71, in flush 135211 livekit.1 | self._check_not_closed() 135211 livekit.1 | ~~~~~~~~~~~~~~~~~~~~~~^^ 135211 livekit.1 | File “/Users/olivernaaris/git-projects/polyglotpal/polyglotpal/backend/.venv/lib/python3.13/site-packages/livekit/agents/tokenize/token_stream.py”, line 103, in _check_not_closed 135211 livekit.1 | raise RuntimeError(f”{cls.module}.{cls.name} is closed”) 135211 livekit.1 | RuntimeError: livekit.agents.tokenize.token_stream.BufferedSentenceStream is closed 135211 livekit.1 | 135211 livekit.1 | The above exception was the direct cause of the following exception: 135211 livekit.1 | 135211 livekit.1 | Traceback (most recent call last): 135211 livekit.1 | File “/Users/olivernaaris/git-projects/polyglotpal/polyglotpal/backend/.venv/lib/python3.13/site-packages/livekit/agents/tts/tts.py”, line 311, in _main_task 135211 livekit.1 | await self._run(output_emitter) 135211 livekit.1 | File “/Users/olivernaaris/git-projects/polyglotpal/polyglotpal/backend/.venv/lib/python3.13/site-packages/livekit/plugins/cartesia/tts.py”, line 361, in _run 135211 livekit.1 | raise APIConnectionError() from e 135211 livekit.1 | livekit.agents._exceptions.APIConnectionError: Connection error. (body=None, retryable=True) {“tts”: “livekit.plugins.cartesia.tts.TTS”, “attempt”: 3, “streamed”: true, “pid”: 12590, “job_id”: “AJ_Jqm68j7DhWJo”} 135213 livekit.1 | 2025-07-30 135213,968 - ERROR livekit.agents - Error in _inference_task 135213 livekit.1 | Traceback (most recent call last): 135213 livekit.1 | File “/Users/olivernaaris/git-projects/polyglotpal/polyglotpal/backend/.venv/lib/python3.13/site-packages/livekit/plugins/cartesia/tts.py”, line 351, in _run 135213 livekit.1 | await asyncio.gather(*tasks) 135213 livekit.1 | File “/Users/olivernaaris/git-projects/polyglotpal/polyglotpal/backend/.venv/lib/python3.13/site-packages/livekit/plugins/cartesia/tts.py”, line 309, in _input_task 135213 livekit.1 | self._sent_tokenizer_stream.end_input() 135213 livekit.1 | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^ 135213 livekit.1 | File “/Users/olivernaaris/git-projects/polyglotpal/polyglotpal/backend/.venv/lib/python3.13/site-packages/livekit/agents/tokenize/token_stream.py”, line 94, in end_input 135213 livekit.1 | self.flush() 135213 livekit.1 | ~~~~~~~~~~^^ 135213 livekit.1 | File “/Users/olivernaaris/git-projects/polyglotpal/polyglotpal/backend/.venv/lib/python3.13/site-packages/livekit/agents/tokenize/token_stream.py”, line 71, in flush 135213 livekit.1 | self._check_not_closed() 135213 livekit.1 | ~~~~~~~~~~~~~~~~~~~~~~^^ 135213 livekit.1 | File “/Users/olivernaaris/git-projects/polyglotpal/polyglotpal/backend/.venv/lib/python3.13/site-packages/livekit/agents/tokenize/token_stream.py”, line 103, in _check_not_closed 135213 livekit.1 | raise RuntimeError(f”{cls.module}.{cls.name} is closed”) 135213 livekit.1 | RuntimeError: livekit.agents.tokenize.token_stream.BufferedSentenceStream is closed 135213 livekit.1 | 135213 livekit.1 | The above exception was the direct cause of the following exception: 135213 livekit.1 | 135213 livekit.1 | Traceback (most recent call last): 135213 livekit.1 | File “/Users/olivernaaris/git-projects/polyglotpal/polyglotpal/backend/.venv/lib/python3.13/site-packages/livekit/agents/utils/log.py”, line 16, in async_fn_logs 135213 livekit.1 | return await fn(*args, **kwargs) 135213 livekit.1 | ^^^^^^^^^^^^^^^^^^^^^^^^^ 135213 livekit.1 | File “/Users/olivernaaris/git-projects/polyglotpal/polyglotpal/backend/.venv/lib/python3.13/site-packages/livekit/agents/voice/generation.py”, line 147, in _inference_task 135213 livekit.1 | async for audio_frame in tts_node: 135213 livekit.1 | audio_ch.send_nowait(audio_frame) 135213 livekit.1 | File “/Users/olivernaaris/git-projects/polyglotpal/polyglotpal/backend/.venv/lib/python3.13/site-packages/livekit/agents/voice/agent.py”, line 385, in tts_node 135213 livekit.1 | async for ev in stream: 135213 livekit.1 | yield ev.frame 135213 livekit.1 | File “/Users/olivernaaris/git-projects/polyglotpal/polyglotpal/backend/.venv/lib/python3.13/site-packages/livekit/agents/tts/tts.py”, line 474, in anext 135213 livekit.1 | raise exc # noqa: B904 135213 livekit.1 | ^^^^^^^^^ 135213 livekit.1 | File “/Users/olivernaaris/git-projects/polyglotpal/polyglotpal/backend/.venv/lib/python3.13/site-packages/livekit/agents/tts/tts.py”, line 311, in _main_task 135213 livekit.1 | await self._run(output_emitter) 135213 livekit.1 | File “/Users/olivernaaris/git-projects/polyglotpal/polyglotpal/backend/.venv/lib/python3.13/site-packages/livekit/plugins/cartesia/tts.py”, line 361, in _run 135213 livekit.1 | raise APIConnectionError() from e 135213 livekit.1 | livekit.agents._exceptions.APIConnectionError: Connection error. (body=None, retryable=True) {“pid”: 12590, “job_id”: “AJ_Jqm68j7DhWJo”} What does this error mean?

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