[Youku] Youku server reported error -6004

[cppmike]

Hi, I've faced an error while downloading a video from Youku. The output is as follows:
c:\youtube>youtube-dl.exe -v http://v.youku.com/v_show/id_XMjk5MDUwNTAyMA
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['-v', 'http://v.youku.com/v_show/id_XMjk5MDUwNTAyMA']
[debug] Encodings: locale cp1251, fs mbcs, out cp866, pref cp1251
[debug] youtube-dl version 2018.03.20
[debug] Python version 3.4.4 (CPython) - Windows-7-6.1.7601-SP1
[debug] exe versions: none
[debug] Proxy map: {}
[youku] XMjk5MDUwNTAyMA: Retrieving cna info
[youku] XMjk5MDUwNTAyMA: Downloading JSON metadata
ERROR: Youku server reported error -6004: ???????,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 in clude its complete output.
Traceback (most recent call last):
File "C:\Users\xxx\AppData\Roaming\Build archive\youtube-dl\rg3\tmpbt_jbnlh\build\youtube_dl\YoutubeDL.py", line 785, in extract_info
File "C:\Users\xxx\AppData\Roaming\Build archive\youtube-dl\rg3\tmpbt_jbnlh\build\youtube_dl\extractor\common.py", line 440, in extract
File "C:\Users\xxx\AppData\Roaming\Build archive\youtube-dl\rg3\tmpbt_jbnlh\build\youtube_dl\extractor\youku.py", line 189, in _real_extract
youtube_dl.utils.ExtractorError: Youku server reported error -6004: ???????,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.