Unable to download API page: HTTP Error 500:

[nadermx]

Checklist

• I'm reporting a broken site support
• I've verified that I'm running youtube-dl version 2019.06.27
• I've checked that all provided URLs are alive and playable in a browser
• I've checked that all URLs and arguments with special characters are properly quoted or escaped
• I've searched the bugtracker for similar issues including closed ones

Verbose log

youtube-dl -vvv scsearch:rap -s
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['-vvv', 'scsearch:rap', '-s']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2019.06.27
[debug] Python version 3.5.2 (CPython) - Linux-4.15.0-52-generic-x86_64-with-Ubuntu-18.04-bionic
[debug] exe versions: ffmpeg 4.1.3-0york1, ffprobe 4.1.3-0york1
[debug] Proxy map: {}
[download] Downloading playlist: rap
[soundcloud:search] rap: Downloading page 1
ERROR: Unable to download API page: HTTP Error 500: Internal Server Error (caused by <HTTPError 500: 'Internal Server Error'>); please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see  https://yt-dl.org/update  on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
  File "/home/john/.virtualenvs/youtvideo/lib/python3.5/site-packages/youtube_dl/extractor/common.py", line 627, in _request_webpage
    return self._downloader.urlopen(url_or_request)
  File "/home/john/.virtualenvs/youtvideo/lib/python3.5/site-packages/youtube_dl/YoutubeDL.py", line 2227, in urlopen
    return self._opener.open(req, timeout=self._socket_timeout)
  File "/usr/lib/python3.5/urllib/request.py", line 472, in open
    response = meth(req, response)
  File "/usr/lib/python3.5/urllib/request.py", line 582, in http_response
    'http', request, response, code, msg, hdrs)
  File "/usr/lib/python3.5/urllib/request.py", line 510, in error
    return self._call_chain(*args)
  File "/usr/lib/python3.5/urllib/request.py", line 444, in _call_chain
    result = func(*args)
  File "/usr/lib/python3.5/urllib/request.py", line 590, in http_error_default
    raise HTTPError(req.full_url, code, msg, hdrs, fp)

Description

When trying to use scsearch it error's 500