CKEditor：如何修复在'Window'上执行'postMessage'失败：无法克隆对象？

Question

我尝试实现上传图片CKEditor 4.6 C＃错误：

VM57:25 Uncaught DOMException: Failed to execute 'postMessage' on 'Window': An object could not be cloned.
    at blockWindow (<anonymous>:25:16)
    at window.open (<anonymous>:34:9)
    at a.popup (http://localhost:8842/ckeditor/ckeditor.js:813:59)
    at button.m [as onClick] (http://localhost:8842/ckeditor/ckeditor.js:814:157)
    at button.<anonymous> (http://localhost:8842/ckeditor/ckeditor.js:538:194)
    at button.p (http://localhost:8842/ckeditor/ckeditor.js:10:224)
    at button.CKEDITOR.event.CKEDITOR.event.fire (http://localhost:8842/ckeditor/ckeditor.js:12:47)
    at button.click (http://localhost:8842/ckeditor/ckeditor.js:537:264)
    at CKEDITOR.dom.element.<anonymous> (http://localhost:8842/ckeditor/ckeditor.js:529:40)
    at CKEDITOR.dom.element.p (http://localhost:8842/ckeditor/ckeditor.js:10:224)

如何解决？请