Jupyter Notebook won't start

I have an issue starting my Jupyter Notebook and can not find an answer online anywhere

Last login: Tue Dec  6 22:24:54 on ttys000
(base) me518@PHS024636 ~ % jupyter notebook

Traceback (most recent call last):

File "/Users/me518/miniconda3/bin/jupyter-note开发者_JAVA百科book", line 5, in

from notebook.notebookapp import main

File "/Users/me518/miniconda3/lib/python3.9/site-packages/notebook/notebookapp.py", line 59, in

from tornado import httpserver

File "/Users/me518/miniconda3/lib/python3.9/site-packages/tornado/httpserver.py", line 32, in

from tornado.http1connection import HTTP1ServerConnection, HTTP1ConnectionParameters

File "/Users/me518/miniconda3/lib/python3.9/site-packages/tornado/http1connection.py", line 34, in

from tornado import iostream

File "/Users/me518/miniconda3/lib/python3.9/site-packages/tornado/iostream.py", line 40, in

from tornado.netutil import ssl_wrap_socket, _client_ssl_defaults, _server_ssl_defaults

ModuleNotFoundError: No module named 'tornado.netutil'

(base) me518@PHS024636 ~ %

I tried pip installing everything possible, but it does not work.