Does the program Abby support youtube or not?

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http://askubuntu.com – The description of the abby package says: "front-end for cclive and clive abby is a front-end for cclive and clive used to download videos from Youtube and other similar video hosts. Abby is written in C++ and depends on the Qt framework." Also, the website of the project says: "abby is a front-end (or a graphical user interface) for cclive and clive that can be used to download videos from Youtube and similar video hosting services. See the above links for a more complete list of supported video websites." But when trying to add a link of a video in youtube, the program pops up an error m (HowTos)