Something is wrong with my shortcode for appointments

http://massagetx.com/clinic/

- go to next month to reveal open times.
- click on open times
- no times appear

Can you see anything wrong with my shortcode or settings?
I have granted access.

Also - please poke the developer on the following thread:
https://premium.wpmudev.org/forums/topic/problem-with-appointments-not-allowing-for-different-times#post-942924

these problems might be related.
thanks,
matt