I have CKEditor last version and Assets also installed, and when I try to add a new asset to CKEditor from Asset Widget I get the following issue:

Uncaught TypeError: undefined is not a functionckeditor.js?nnk494:334 CKEDITOR.editable.CKEDITOR.tools.createClass.proto.insertElementIntoSelectionckeditor.js?nnk494:333 CKEDITOR.editable.CKEDITOR.tools.createClass.proto.insertElementckeditor.js?nnk494:338 (anonymous function)ckeditor.js?nnk494:10 mckeditor.js?nnk494:12 CKEDITOR.event.CKEDITOR.event.fireckeditor.js?nnk494:13 CKEDITOR.editor.CKEDITOR.editor.fireckeditor.js?nnk494:247 CKEDITOR.tools.extend.insertElementasset-widget.js?v=1.0:983 assetWidget.initDrop.$context.find.parent.once.$.droppable.dropjquery.ui.widget.min.js?v=1.8.7:16 b.Widget._triggerjquery.ui.droppable.min.js?v=1.8.7:21 d.widget._dropjquery.ui.droppable.min.js?v=1.8.7:25 (anonymous function)jquery.js?v=1.4.4:34 b.extend.eachjquery.ui.droppable.min.js?v=1.8.7:25 d.ui.ddmanager.dropjquery.ui.draggable.min.js?v=1.8.7:21 d.widget._mouseStopjquery.ui.mouse.min.js?v=1.8.7:18 c.widget._mouseUpjquery.ui.mouse.min.js?v=1.8.7:16 c.widget._mouseDown._mouseUpDelegatejquery.js?v=1.4.4:64 c.event.handlejquery.js?v=1.4.4:57 c.event.add.h.handle.o