Hello,
I’m sorry that you’re running into this issue, but I’ll be happy to help you figure out what’s going on.
First, I see that you’re running an older version of Events Calendar Pro (4.4.23) – can you try updating to the latest version of Events Calendar Pro (4.4.24.2)? If you don’t see a prompt to update in the Plugins section of your Dashboard, you can do so manually by following these instructions. After updating, try clearing out any caching (browser and server) and see if that makes a difference.
If not, can you please send me a link to the page where you’re using the shortcode so that I can take a look?
Thanks,
Jennifer