FileNotFoundError: [Errno 2] No such file or directory: 'C:/Users/../GPT_INDEXES/None/docstore.json'

[abhinandan1602]

Whenever I submit a prompt after attaching a pdf file I get this error

FileNotFoundError: [Errno 2] No such file or directory: 'C:/Users/avashish/GPT_INDEXES/None/docstore.json'
Traceback:
File "C:\Users\avashish\AppData\Local\anaconda3\lib\site-packages\streamlit\runtime\scriptrunner\script_runner.py", line 552, in _run_script
exec(code, module.dict)
File "C:\Users\avashish\local_llama2.py", line 143, in
query_index(query_u=user_input)
File "C:\Users\avashish\local_llama2.py", line 86, in query_index
storage_context = StorageContext.from_defaults(persist_dir=f"{PATH_TO_INDEXES}/{pdf_to_use}")
File "C:\Users\avashish\AppData\Local\anaconda3\lib\site-packages\llama_index\storage\storage_context.py", line 75, in from_defaults
docstore = docstore or SimpleDocumentStore.from_persist_dir(
File "C:\Users\avashish\AppData\Local\anaconda3\lib\site-packages\llama_index\storage\docstore\simple_docstore.py", line 57, in from_persist_dir
return cls.from_persist_path(persist_path, namespace=namespace, fs=fs)
File "C:\Users\avashish\AppData\Local\anaconda3\lib\site-packages\llama_index\storage\docstore\simple_docstore.py", line 75, in from_persist_path
simple_kvstore = SimpleKVStore.from_persist_path(persist_path, fs=fs)
File "C:\Users\avashish\AppData\Local\anaconda3\lib\site-packages\llama_index\storage\kvstore\simple_kvstore.py", line 75, in from_persist_path
with fs.open(persist_path, "rb") as f:
File "C:\Users\avashish\AppData\Local\anaconda3\lib\site-packages\fsspec\spec.py", line 1241, in open
f = self._open(
File "C:\Users\avashish\AppData\Local\anaconda3\lib\site-packages\fsspec\implementations\local.py", line 184, in _open
return LocalFileOpener(path, mode, fs=self, **kwargs)
File "C:\Users\avashish\AppData\Local\anaconda3\lib\site-packages\fsspec\implementations\local.py", line 315, in init
self._open()
File "C:\Users\avashish\AppData\Local\anaconda3\lib\site-packages\fsspec\implementations\local.py", line 320, in _open
self.f = open(self.path, mode=self.mode)