Http 503; bestvideo not available

[Zachary24]

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Add the -v flag to your command line you run youtube-dl with (youtube-dl -v <your command line>), copy the whole output and insert it here. It should look similar to one below (replace it with your log inserted between triple ```):

[debug] System config: []
[debug] User config: []
[debug] Command-line args: [u'-v', u'http://www.youtube.com/watch?v=BaW_jenozKcj']
[debug] Encodings: locale cp1251, fs mbcs, out cp866, pref cp1251
[debug] youtube-dl version 2019.02.08
[debug] Python version 2.7.11 - Windows-2003Server-5.2.3790-SP2
[debug] exe versions: ffmpeg N-75573-g1d0487f, ffprobe N-75573-g1d0487f, rtmpdump 2.4
[debug] Proxy map: {}
...
<end of log>

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If the purpose of this issue is a site support request please provide all kinds of example URLs support for which should be included (replace following example URLs by yours):

• Single video: https://www.youtube.com/watch?v=BaW_jenozKc
• Single video: https://youtu.be/BaW_jenozKc
• Playlist: https://www.youtube.com/playlist?list=PL4lCao7KL_QFVb7Iudeipvc2BCavECqzc

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Description of your issue, suggested solution and other information

After several hours of reading one word answers to issues i'm still confused for 50% of the videos I'm trying to download I get ([download] Got server HTTP error: HTTP Error 503: Service Unavailable. Retrying (attempt 6 of 10)...), the general answer is that the format is not avaible on youtubes side, however my selection is set to bestvideo+bestaudio/137/248/22/136/247/best, it will download the audio and thumbnail just fine, and if i rerun youtube-dl with only that video it downloads it just fine, no errors, one example would be (https://www.youtube.com/watch?v=Y6HygXMQbmw) the output of -F is
249 webm audio only DASH audio 59k , opus @ 50k, 5.62MiB
250 webm audio only DASH audio 78k , opus @ 70k, 7.38MiB
140 m4a audio only DASH audio 131k , m4a_dash container, mp4a.40.2@128k, 13.74MiB
171 webm audio only DASH audio 135k , vorbis@128k, 13.20MiB
251 webm audio only DASH audio 149k , opus @160k, 14.45MiB
278 webm 180x144 144p 73k , webm container, vp9, 30fps, video only, 7.09MiB
160 mp4 180x144 144p 82k , avc1.4d400c, 30fps, video only, 4.77MiB
242 webm 300x240 240p 160k , vp9, 30fps, video only, 14.42MiB
133 mp4 300x240 240p 177k , avc1.4d400d, 30fps, video only, 9.07MiB
243 webm 450x360 360p 290k , vp9, 30fps, video only, 26.77MiB
134 mp4 450x360 360p 449k , avc1.4d4016, 30fps, video only, 20.55MiB
244 webm 600x480 480p 538k , vp9, 30fps, video only, 48.31MiB
135 mp4 600x480 480p 808k , avc1.4d401e, 30fps, video only, 42.04MiB
17 3gp 176x144 small 79k , mp4v.20.3, mp4a.40.2@ 24k (22050Hz), 8.44MiB
36 3gp 300x240 small 216k , mp4v.20.3, mp4a.40.2 (22050Hz), 23.02MiB
43 webm 640x360 medium , vp8.0, vorbis@128k, 80.75MiB
18 mp4 450x360 medium 416k , avc1.42001E, mp4a.40.2@ 96k (44100Hz), 44.15MiB (best)

so it should download best right? there are also some videos that have multiple formats (136/247 etc) that show as available..

[Zachary24]

may I ask how this is incomplete?

[dstftw]

Bother to read new issue template.