How to fix ckeditor4-secure-version/versions.json?v=4.22.1

Error 404 occurs when using ckeditor version 4.22.1

'Failed to load resource: the server responded with a status of 404 ()' https://cke4.ckeditor.com/ckeditor4-secure-version/versions.json?v=4.22.1

Opening ckeditor.js file, then search b.send()

/*b.send()*/

To solve the problem you should disable callling the send function.