Exception caught:

  Error: Uncaught TypeError: Cannot read property 'length' of undefined

URL: http://musicbrainz.org/static/6e4556a44efce3f6fb073af4e8ac79b3.js
Line: 24
Column: 69

TypeError: Cannot read property 'length' of undefined
   at Function.jQuery.extend.each (http://musicbrainz.org/static/6e4556a44efce3f6fb073af4e8ac79b3.js:24:198)
   at Object.guess (http://musicbrainz.org/static/04cf71a7cca731ebf8f6fb134466fffd.js:115:134)
   at Object._.extend.guessCaseTrackName (http://musicbrainz.org/static/8f0be2b5b416efb32ab261adbe92d722.js:15:304)
   at http://musicbrainz.org/static/8f0be2b5b416efb32ab261adbe92d722.js:15:426
   at Function.forEach (http://musicbrainz.org/static/6e4556a44efce3f6fb073af4e8ac79b3.js:702:113)
   at Object._.extend.guessCaseTrackNames (http://musicbrainz.org/static/8f0be2b5b416efb32ab261adbe92d722.js:15:370)
   at http://musicbrainz.org/static/8f0be2b5b416efb32ab261adbe92d722.js:12:420
   at Function.forEach (http://musicbrainz.org/static/6e4556a44efce3f6fb073af4e8ac79b3.js:702:113)
   at Class._.extend.guessCaseMediaNames (http://musicbrainz.org/static/8f0be2b5b416efb32ab261adbe92d722.js:12:322)
   at Object.bound [as guessCase] (http://musicbrainz.org/static/6e4556a44efce3f6fb073af4e8ac79b3.js:657:218)