Error 500 when hitting Next Page on a youtube channel's Playlists tab

[madoptics]

Traceback (most recent call last):
File "D:-\youtube-local-v2.8.5-windows\python\Lib\site-packages\flask\app.py", line 1455, in wsgi_app
response = self.full_dispatch_request()
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:-\youtube-local-v2.8.5-windows\python\Lib\site-packages\flask\app.py", line 869, in full_dispatch_request
rv = self.handle_user_exception(e)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:-\youtube-local-v2.8.5-windows\python\Lib\site-packages\flask\app.py", line 867, in full_dispatch_request
rv = self.dispatch_request()
^^^^^^^^^^^^^^^^^^^^^^^
File "D:-\youtube-local-v2.8.5-windows\python\Lib\site-packages\flask\app.py", line 852, in dispatch_request
return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:-\youtube-local-v2.8.5-windows\youtube\channel.py", line 537, in get_channel_page
return get_channel_page_general_url('https://www.youtube.com/channel/' + channel_id, tab, request, channel_id)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:-\youtube-local-v2.8.5-windows\youtube\channel.py", line 469, in get_channel_page_general_url
polymer_json = get_channel_tab(channel_id, page_number, sort,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:-\youtube-local-v2.8.5-windows\youtube\channel.py", line 236, in get_channel_tab
content = util.fetch_url(
^^^^^^^^^^^^^^^
File "D:-\youtube-local-v2.8.5-windows\youtube\util.py", line 359, in fetch_url
raise FetchError(str(response.status), reason=response.reason,
youtube.util.FetchError: HTTP error during request: 500 Internal Server Error

[madoptics]

Just wanted to add that it's only on some channels and I don't encounter it on others.

[Vjay15]

the same problem but w every channel