Traceback (most recent call last):


 "/usr/lib/python3.6/site-packages/youtube_dl-2017.3.16-py3.6.egg/youtube_dl/YoutubeDL.py", line 761, in extract_info

ie_result = ie.extract(url)


 "/usr/lib/python3.6/site-packages/youtube_dl-2017.3.16-py3.6.egg/youtube_dl/extractor/common.py", line 427, in extract

ie_result = self._real_extract(url)


 "/usr/lib/python3.6/site-packages/youtube_dl-2017.3.16-py3.6.egg/youtube_dl/extractor/niconico.py", line 142, in _real_extract

expected=True)
youtube_dl.utils.ExtractorError: Niconico videos now require logging in

Traceback (most recent call last):


 "c:\private\python3.9.2\lib\site-packages\youtube_dl\YoutubeDL.py", line 806, in wrapper

return func(self, *args, **kwargs)


 "c:\private\python3.9.2\lib\site-packages\youtube_dl\YoutubeDL.py", line 827, in __extract_info

ie_result = ie.extract(url)


 "c:\private\python3.9.2\lib\site-packages\youtube_dl\extractor\common.py", line 534, in extract

ie_result = self._real_extract(url)


 "c:\private\python3.9.2\lib\site-packages\youtube_dl\extractor\youtube.py", line 1658, in _real_extract

raise ExtractorError(reason, expected=True)
youtube_dl.utils.ExtractorError: Sign in to confirm your age
