Getting a "401 Unauthorized" error when running the Twitter bot (Tweepy Client API v2)

Question

I run this code:

import tweepy

client = tweepy.Client(
    consumer_key=" CONSUMER KEY ",
    consumer_secret=" CONSUMER SECRET ",
    access_token=" ACCESS TOKEN ",
    access_token_secret=" ACCESS TOKEN SECRET "
)

following = client.get_users_following(1550947094185349127)

print(following)

And got the following response:

Traceback (most recent call last): File "C:\bot\Tests.py", line 11, in following = client.get_users_following(1550947094185349127) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\totes\AppData\Local\Programs\Python\Python311\Lib\site-packages\tweepy\client.py", line 2147, in get_users_following return self._make_request( ^^^^^^^^^^^^^^^^^^^ File "C:\Users\totes\AppData\Local\Programs\Python\Python311\Lib\site-packages\tweepy\client.py", line 129, in _make_request response = self.request(method, route, params=request_params, ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\totes\AppData\Local\Programs\Python\Python311\Lib\site-packages\tweepy\client.py", line 98, in request raise Unauthorized(response) tweepy.errors.Unauthorized: 401 Unauthorized Unauthorized

I should mention my API keys are correct, as I am using them for another code that works with no problem.