Error: Uncaught TypeError: Cannot read property '70' of undefined

URL: https://musicbrainz.org/static/f0cf5fcdef3aaeb8d01a32defa7cdb27.js
Line: 68
Column: 69

TypeError: Cannot read property '70' of undefined
at Class.fields.Relationship.aclass.linkTypeIDChanged (https://musicbrainz.org/static/f0cf5fcdef3aaeb8d01a32defa7cdb27.js:68:116)
at null.callback (https://musicbrainz.org/static/f0cf5fcdef3aaeb8d01a32defa7cdb27.js:65:171)
at Function.ko_subscribable_fn.notifySubscribers (https://musicbrainz.org/static/6e4556a44efce3f6fb073af4e8ac79b3.js:831:127)
at Function.observable.valueHasMutated (https://musicbrainz.org/static/6e4556a44efce3f6fb073af4e8ac79b3.js:838:185)
at Class.observable (https://musicbrainz.org/static/6e4556a44efce3f6fb073af4e8ac79b3.js:837:353)
at Class.fields.Relationship.aclass.fromJS (https://musicbrainz.org/static/f0cf5fcdef3aaeb8d01a32defa7cdb27.js:66:300)
at Class.UI.EditDialog.aclass.augment$accept (https://musicbrainz.org/static/f0cf5fcdef3aaeb8d01a32defa7cdb27.js:117:219)
at Class.inner (https://musicbrainz.org/static/6e4556a44efce3f6fb073af4e8ac79b3.js:1312:61)
at Class.aclass.accept (https://musicbrainz.org/static/f0cf5fcdef3aaeb8d01a32defa7cdb27.js:105:464)
at Class.augmented [as accept] (https://musicbrainz.org/static/6e4556a44efce3f6fb073af4e8ac79b3.js:1312:295)