[ninateka] "unsupported" error.

[maszrums]

Hello, I am using windows version 2018.03.26.
This site http://ninateka.pl/ return "unsupported" error.

url examples:
http://ninateka.pl/film/2007-macbeth
http://ninateka.pl/film/swiadkowie-albo-nasza-mala-stabilizacja-jerzy-jarocki

Below one feedback:
youtube-dl -v "http://ninateka.pl/film/2007-macbeth"
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['-v', 'http://ninateka.pl/film/2007-macbeth']
[debug] Encodings: locale cp1250, fs mbcs, out cp852, pref cp1250
[debug] youtube-dl version 2018.03.26.1
[debug] Python version 3.4.4 (CPython) - Windows-10-10.0.16299
[debug] exe versions: none
[debug] Proxy map: {}
[generic] 2007-macbeth: Requesting header
WARNING: Could not send HEAD request to http://ninateka.pl/film/2007-macbeth: HTTP Error 500: Internal Server Error
[generic] 2007-macbeth: Downloading webpage
WARNING: Falling back on generic information extractor.
[generic] 2007-macbeth: Extracting information
ERROR: Unsupported URL: http://ninateka.pl/film/2007-macbeth
Traceback (most recent call last):
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmph9lcnopy\build\youtube_dl\YoutubeDL.py", line 785, in extract_info
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmph9lcnopy\build\youtube_dl\extractor\common.py", line 440, in extract
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmph9lcnopy\build\youtube_dl\extractor\generic.py", line 3143, in _real_extract
youtube_dl.utils.UnsupportedError: Unsupported URL: http://ninateka.pl/film/2007-macbeth

Thanks for your answer.