Can´t edit content in the website module in the version 15. I get the following error:

UncaughtPromiseError > TypeError

Uncaught Promise > gradient.replaceAll is not a function

TypeError: gradient.replaceAll is not a function
    at http://marinamindelo.com:8069/web/assets/489-9b6c441/1/web_editor.assets_wysiwyg.min.js:1123:222
    at NodeList.forEach ()
    at Class.start (http://marinamindelo.com:8069/web/assets/489-9b6c441/1/web_editor.assets_wysiwyg.min.js:1123:157)
    at Class.prototype. [as start] (http://marinamindelo.com:8069/web/assets/481-78873b3/1/web.assets_common_lazy.min.js:4576:488)
    at http://marinamindelo.com:8069/web/assets/481-78873b3/1/web.assets_common_lazy.min.js:4914:52
    at async Class.start (http://marinamindelo.com:8069/web/assets/489-9b6c441/1/web_editor.assets_wysiwyg.min.js:1577:790)
    at async Promise.all (index 0)
    at async Class._renderOriginalXML (http://marinamindelo.com:8069/web/assets/489-9b6c441/1/web_editor.assets_wysiwyg.min.js:1689:1)
    at async Promise.all (index 42)
    at async Promise.all (index 1)