Error: UI element #error .error-stack doesn’t exist.
at e._queryChecked (ui.js:formatted:256:27)
at new e (ui.js:formatted:38:49)
at index.js:1:2404
at index.js:1:1380
at Object.next (index.js:1:1485)
at c (index.js:1:202)
e.prototype._queryChecked = function(e) {
var t = this._query(e);
if (t)
return t;
throw new Error("UI element ".concat(e, " doesn't exist."))
}