Youku server reported error -6004:

[gitscamI]

[debug] System config: []
[debug] User config: []
[debug] Custom config: [u'--no-mtime', u'-i', u'-o', u'%(title)s.%(ext)s', u'--write-info-json', u'--write-thumbnail']
[debug] Command-line args: [u'--config-location', u'./config.txt', u'-i', u'-o', u'./download/%(playlist)s/%(playlist_index)s-%(id)s.%(ext)s', u'http://v.youku.com/v_show/id_XMzAzMjQ5NDUxMg.html', u'-v']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2018.09.10
[debug] Python version 2.7.5 (CPython) - Linux-3.10.0-862.9.1.el7.x86_64-x86_64-with-centos-7.5.1804-Core
[debug] exe versions: ffmpeg 3.4.2-static, ffprobe 3.4.2-static
[debug] Proxy map: {}
[youku] XMzAzMjQ5NDUxMg: Retrieving cna info
[youku] XMzAzMjQ5NDUxMg: Downloading JSON metadata
ERROR: Youku server reported error -6004: 客户端无权播放,201; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
Traceback (most recent call last):
File "/usr/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 792, in extract_info
ie_result = ie.extract(url)
File "/usr/bin/youtube-dl/youtube_dl/extractor/common.py", line 502, in extract
ie_result = self._real_extract(url)
File "/usr/bin/youtube-dl/youtube_dl/extractor/youku.py", line 189, in _real_extract
raise ExtractorError(msg)
ExtractorError: Youku server reported error -6004: \u5ba2\u6237\u7aef\u65e0\u6743\u64ad\u653e,201; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.