tvthek.orf.at error retrieving f4m manifest

[Oneboy1979]

Checklist

• I'm reporting a broken site support issue
• 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 bug reports including closed ones
• I've read bugs section in FAQ

Verbose log

[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: [u'-v', u'https://tvthek.orf.at/profile/Universum/35429/Universum-Kuba-Im-Rhythmus-der-Natur/14017866']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2019.06.27
[debug] Python version 2.7.13 (CPython) - Linux-4.19.42-v7+-armv7l-with-debian-9.9
[debug] exe versions: ffmpeg 3.2.14-1, ffprobe 3.2.14-1
[debug] Proxy map: {}
[orf:tvthek] 14017866: Downloading webpage
[orf:tvthek] 14517820: Downloading m3u8 information
[orf:tvthek] 14517820: Downloading f4m manifest
ERROR: Unable to download f4m manifest: IncompleteRead(3938 bytes read) (caused by IncompleteRead(3938 bytes read)); 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.
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 627, in _request_webpage
    return self._downloader.urlopen(url_or_request)
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 2227, in urlopen
    return self._opener.open(req, timeout=self._socket_timeout)
  File "/usr/lib/python2.7/urllib2.py", line 435, in open
    response = meth(req, response)
  File "/usr/local/bin/youtube-dl/youtube_dl/utils.py", line 1028, in http_response
    content = resp.read()
  File "/usr/lib/python2.7/socket.py", line 355, in read
    data = self._sock.recv(rbufsize)
  File "/usr/lib/python2.7/httplib.py", line 573, in read
    return self._read_chunked(amt)
  File "/usr/lib/python2.7/httplib.py", line 627, in _read_chunked
    raise IncompleteRead(''.join(value))

Description

Download https://tvthek.orf.at/profile/Universum/35429/Universum-Kuba-Im-Rhythmus-der-Natur/14017866 didn't work see the error above

[Oneboy1979]

seems like the manifest files are incomplete.
Part-Content of the higher quality manifest file first call:
nas/cms-austria/online/2019-06-25_2015_sd_02_Universum--Kuba_____14017866__o__1730731527__s14517820_Q8C.mp412807202640.299video/mp4recordedstreamingAAAQ7mFic3QBAAAAAAAAAQAAAAPoAA ~~~~~~~~~~~~~

Part-Content of the higher quality manifest file second call:
<manifest xmlns="https://ns.adobe.com/f4m/1.0"> <id> nas/cms-austria/online/2019-06-25_2015_sd_02_Universum--Kuba_____14017866__o__1730731527__s14517820_Q8C.mp4 </id> <width>1280</width> <height>720</height> <duration>2640.299</duration> <mimeType>video/mp4</mimeType> <streamType>recorded</streamType> <deliveryType>streaming</deliveryType> <bootstrapInfo profile="named" id="bootstrap1"> AAAQ7mFic3QBAAAAAAAAAQAAAAP~~~~~CfTUAAAJxAAAAEHAAAAAAAn+mAAACcQAAABCAAAAAAAKCFwAAAnEAAAAQkAAAAAAChIgAAAASs= </bootstrapInfo> <media streamId="1" bootstrapInfoId="bootstrap1" width="1280" height="720" bitrate="3118" url="https://varorfvod.sf.apa.at/cms-austria_nas/_definst_/nas/cms-austria/online/2019-06-25_2015_sd_02_Universum--Kuba_____14017866__o__1730731527__s14517820_Q8C.mp4/media_b3193062.abst/"> <metadata> AgAKb25NZXRhRGF0YQgAAAAAAA~~~~~BApKCY6tZbegAACQ== </metadata> </media> </manifest>

[dstftw]

Network issue on your side.