Kneipenlog FF16 Error Console

Error: TypeError: document is undefined
Source file: resource://app/modules/XPIProvider.jsm -> jar:file:///C:/Users/Bill/AppData/Roaming/Mozilla/Firefox/Profiles/ijdv6old.default/extensions/jid1-zUyU7TGKwejAyA@jetpack.xpi!/bootstrap.js -> resource://jid1-zuyu7tgkwejaya-at-jetpack/api-utils/lib/loader.js -> resource://jid1-zuyu7tgkwejaya-at-jetpack/buffer/lib/main.js
Line: 362
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Error: ReferenceError: TWTR is not defined
Source file: http://www.kneipenlog.de/uber-das-kneipenlog/
Line: 240
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Error: TypeError: a[b] is not a function
Source file: http://s.ytimg.com/yts/jsbin/www-watch7-extra-vflyP-4Kk.js
Line: 265