Unable to download ITV programme

[MushyBean]

Make sure you are using the latest version: run youtube-dl --version and ensure your version is 2018.05.01. If it's not, read this FAQ entry and update. Issues with outdated version will be rejected.

• I've verified and I assure that I'm running youtube-dl 2018.05.01

Before submitting an issue make sure you have:

• At least skimmed through the README, most notably the FAQ and BUGS sections
• Searched the bugtracker for similar issues including closed ones
• Checked that provided video/audio/playlist URLs (if any) are alive and playable in a browser

What is the purpose of your issue?

• Bug report (encountered problems with youtube-dl)
• Site support request (request for adding support for a new site)
• Feature request (request for a new functionality)
• Question
• Other

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If the purpose of this issue is a bug report, site support request or you are not completely sure provide the full verbose output as follows:

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 ```):

c:\youtube-dl>youtube-dl.exe -v "https://www.itv.com/hub/britains-got-talent/1a7470a0140"
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['-v', 'https://www.itv.com/hub/britains-got-talent/1a7470a0140']
[debug] Encodings: locale cp1252, fs mbcs, out cp850, pref cp1252
[debug] youtube-dl version 2018.05.01
[debug] Python version 3.4.4 (CPython) - Windows-7-6.1.7601-SP1
[debug] exe versions: ffmpeg N-90793-g30940be359, ffprobe N-90793-g30940be359, rtmpdump 2.4
[debug] Proxy map: {}
[debug] Using fake IP 25.241.104.55 (GB) as X-Forwarded-For.
[ITV] 1a7470a0140: Downloading webpage
[ITV] 1a7470a0140: Downloading XML
ERROR: ITV said: No match found for production id: 1/7470/0140#001
Traceback (most recent call last):
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmpulhs0gaq\build\youtube_dl\YoutubeDL.py", line 789, in extract_info
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmpulhs0gaq\build\youtube_dl\extractor\common.py", line 440, in extract
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmpulhs0gaq\build\youtube_dl\extractor\itv.py", line 132, in _real_extract
youtube_dl.utils.ExtractorError: ITV said: No match found for production id: 1/7470/0140#001

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Description of your issue, suggested solution and other information

I am not able to download the following ITV video:
https://www.itv.com/hub/britains-got-talent/1a7470a0140
Please see my full verbose output above.

The video plays okay in my browser (I have an ITV Hub account and have a UK IP which I believe may now be a requirement in order to watch some/all ITV videos).
I can privately provide my ITV Hub credentials if it helps.

Thanks