TypeError: 'NoneType' object is not subscriptable

[GitMeP]

Traceback (most recent call last):
File "/home/user/.pyenv/versions/3.10.12/lib/python3.10/multiprocessing/process.py", line 314, in _bootstrap
self.run()
File "/home/user/.pyenv/versions/3.10.12/lib/python3.10/multiprocessing/process.py", line 108, in run
self._target(*self._args, **self._kwargs)
File "/home/user/Documents/workspace/React/natural_voice_assistant/main.py", line 179, in main_loop
model = STT_LLM_TTS(device=device, tts_model = tts_model)
File "/home/user/Documents/workspace/React/natural_voice_assistant/models_voice_assistant/stt_llm_tts_model.py", line 406, in init
self.call_LLM(input="Your name is BUD-E. You are a friendly Ai Assistant that will answer every question correctly and in a friendly way.", reason="format", tokenize=True)
File "/home/user/Documents/workspace/React/natural_voice_assistant/models_voice_assistant/stt_llm_tts_model.py", line 428, in call_LLM
last_token, past_key_values = self.llm(t, self.past_key_values, len(self.response_sequence))
File "/home/user/Documents/Environments/bud_e_env/lib/python3.10/site-packages/torch/nn/modules/module.py", line 1739, in _wrapped_call_impl
return self._call_impl(*args, **kwargs)
File "/home/user/Documents/Environments/bud_e_env/lib/python3.10/site-packages/torch/nn/modules/module.py", line 1750, in _call_impl
return forward_call(*args, **kwargs)
File "/home/user/Documents/workspace/React/natural_voice_assistant/models_voice_assistant/stt_llm_tts_model.py", line 309, in forward
model_inputs = self.model.prepare_inputs_for_generation(input_token, past_key_values=past_key_values if past_key_values is not None else [], use_cache=True)
File "/home/user/Documents/Environments/bud_e_env/lib/python3.10/site-packages/transformers/generation/utils.py", line 402, in prepare_inputs_for_generation
or (is_torchdynamo_compiling() or cache_position[-1] >= input_ids.shape[1]) # Exception 3
TypeError: 'NoneType' object is not subscriptable