Uncaught TypeError: Cannot set property '_f$N' of null
    at new CFlyTreeView (WebResource.axd?d=hO…377233507183953:481)
    at _f$5f (WebResource.axd?d=hO…377233507183953:532)

When i verfied there is a function RenderControl in the Flytreeview and it is causing the error but it is not present in the FlyTree view class.
Could you please let me know if this is removed? We are using version