Adds the option to export subscriptions from YouTube as an OPML file of RSS feeds.
< Export YouTube Subscriptions to RSS OPMLについてのフィードバック
Haven't been able to reproduce this, but I've made several updates since this question was posted. If it persists, feel free to post an issue on GitHub with more information.
line : 118
char : 1
error: 'window' is undefined
code: 800A1391
Source: Microsoft JScript runtime error