Error: Uncaught TypeError: Cannot read property 'callback' of undefined

```
TypeError: Cannot read property 'callback' of undefined
    at initializer.<anonymous> (http://orobo.go.ro:3500/client/js/method_svg.js?a35f8a1ca1fb598ab1e558594fa0dd98a9206f60:2647:38)
    at r (eval at <anonymous> (http://orobo.go.ro:3500/packages/jquery.js?dd8bac56f8fd3666d433d2285ae01e52597cc51a:372:22), <anonymous>:1:2323)
```