Traceback (most recent call last):


 "site-packages/calibre/customize/ui.py", line 171, in _run_filetype_plugins


 "calibre_plugins.dedrm.__init__", line 618, in run


 "calibre_plugins.dedrm.__init__", line 568, in KindleMobiDecrypt
DeDRMError: DeDRM v6.5.5: Ultimately failed to decrypt after 0.5 seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md

Traceback (most recent call last):

 "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 665, in extract_info
ie_result = ie.extract(url)

 "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 291, in extract
return self._real_extract(url)

 "/usr/local/bin/youtube-dl/youtube_dl/extractor/yandexmusic.py", line 103, in _real_extract
album_id, 'Downloading album JSON')

 "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 479, in _download_json
json_string, video_id, transform_source=transform_source, fatal=fatal)

 "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 489, in _parse_json
raise ExtractorError(errmsg, cause=ve)ExtractorError: 2137609: Failed to parse JSON
(caused by ValueError('No JSON object could be decoded',)); 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.