TypeError: 'NoneType' object is not subscriptable

[111100001]

this is the command i used:
i used Tubeup repository.

i get these errors while running repoagent:

2025-02-20 01:42:34.661 | ERROR    | repo_agent.runner:generate_doc_for_a_single_item:96 - Document generation failed after multiple attempts, skipping: tubeup\TubeUp.py/TubeUp/__init__    
Traceback (most recent call last):
  File "C:\Users\fqf1f\gitrepo\.repovenv\Lib\site-packages\repo_agent\runner.py", line 87, in generate_doc_for_a_single_item
    response_message = self.chat_engine.generate_doc(
  File "C:\Users\fqf1f\gitrepo\.repovenv\Lib\site-packages\repo_agent\chat_engine.py", line 121, in generate_doc
    response = self.llm.chat(messages)
  File "C:\Users\fqf1f\gitrepo\.repovenv\Lib\site-packages\llama_index\core\instrumentation\dispatcher.py", line 322, in wrapper
    result = func(*args, **kwargs)
  File "C:\Users\fqf1f\gitrepo\.repovenv\Lib\site-packages\llama_index\llms\openai_like\base.py", line 117, in chat
    return super().chat(messages, **kwargs)
  File "C:\Users\fqf1f\gitrepo\.repovenv\Lib\site-packages\llama_index\core\instrumentation\dispatcher.py", line 322, in wrapper
    result = func(*args, **kwargs)
  File "C:\Users\fqf1f\gitrepo\.repovenv\Lib\site-packages\llama_index\core\llms\callbacks.py", line 173, in wrapped_llm_chat
    f_return_val = f(_self, messages, **kwargs)
  File "C:\Users\fqf1f\gitrepo\.repovenv\Lib\site-packages\llama_index\llms\openai\base.py", line 374, in chat
    return chat_fn(messages, **kwargs)
  File "C:\Users\fqf1f\gitrepo\.repovenv\Lib\site-packages\llama_index\llms\openai\base.py", line 107, in wrapper
    return retry(f)(self, *args, **kwargs)
  File "C:\Users\fqf1f\gitrepo\.repovenv\Lib\site-packages\tenacity\__init__.py", line 336, in wrapped_f
    return copy(f, *args, **kw)
  File "C:\Users\fqf1f\gitrepo\.repovenv\Lib\site-packages\tenacity\__init__.py", line 475, in __call__
    do = self.iter(retry_state=retry_state)
  File "C:\Users\fqf1f\gitrepo\.repovenv\Lib\site-packages\tenacity\__init__.py", line 376, in iter
    result = action(retry_state)
  File "C:\Users\fqf1f\gitrepo\.repovenv\Lib\site-packages\tenacity\__init__.py", line 398, in <lambda>
    self._add_action_func(lambda rs: rs.outcome.result())
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.13_3.13.752.0_x64__qbz5n2kfra8p0\Lib\concurrent\futures\_base.py", line 449, in result
    return self.__get_result()
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.13_3.13.752.0_x64__qbz5n2kfra8p0\Lib\concurrent\futures\_base.py", line 401, in __get_result
    raise self._exception
  File "C:\Users\fqf1f\gitrepo\.repovenv\Lib\site-packages\tenacity\__init__.py", line 478, in __call__
    result = fn(*args, **kwargs)
  File "C:\Users\fqf1f\gitrepo\.repovenv\Lib\site-packages\llama_index\llms\openai\base.py", line 483, in _chat
    openai_message = response.choices[0].message
TypeError: 'NoneType' object is not subscriptable
 -- Generating document  _function: tubeup\utils.py/key_value_to_dict