safaribookonline: Unable to extract kaltura reference id

[kutkin54]

Checklist

• I'm reporting a broken site support
• I've verified that I'm running youtube-dl version 2019.05.11
• 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 issues including closed ones

Verbose log

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Description

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The error encountered after updating with the latest fix authentication of the token is as described below.

ERROR: Unable to extract kaltura reference id; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see https://yt-dl.org/update on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
Traceback (most recent call last):
File "/usr/local/lib/python3.6/dist-packages/youtube_dl/YoutubeDL.py", line 796, in extract_info
ie_result = ie.extract(url)
File "/usr/local/lib/python3.6/dist-packages/youtube_dl/extractor/common.py", line 529, in extract
ie_result = self._real_extract(url)
File "/usr/local/lib/python3.6/dist-packages/youtube_dl/extractor/safari.py", line 147, in _real_extract
webpage, 'kaltura reference id', group='id')
File "/usr/local/lib/python3.6/dist-packages/youtube_dl/extractor/common.py", line 1004, in _search_regex
raise RegexNotFoundError('Unable to extract %s' % _name)
youtube_dl.utils.RegexNotFoundError: Unable to extract kaltura reference id; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see https://yt-dl.org/update on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.