Shortcode not embedding correctly

Hi – hope you can help.

I installed the plugin (v 4.9.9)
Clicked to insert an audio shortcode into a post pointing at an uploaded mp3 file.
The live preview looks fine but when I go ahead and insert I just see code not an audio player.

See screenshot : http://www.evernote.com/shard/s67/sh/d8ec0f3b-8310-4a4b-b49e-afa71c10a569/c1e3b9d1a806d40632f275727c6e0693

Thanks

https://ww.wp.xz.cn/plugins/shortcodes-ultimate/