Undefined Content

My Gallery Bank gallery opens a light box window ok when the thumbnail is clicked however the description and title do not appear.

Instead there is a text field on all the images that says ‘Undefined Content’

Here is the example.
http://hawkdesign.com.au/bespoke/

Can any one tell me how to fix this?

Thanks
Rebekah

https://ww.wp.xz.cn/plugins/gallery-bank/