Appointments plugin not working as usual after recent update

Hi there,

After a recent update, my shortcodes have stopped working. I used to have following:

[app_services select="Select appointment type & Location" autorefresh="1"]
[app_service_providers select="You will meet" require_service="1" autorefresh="1"]
[app_monthly_schedule require_provider="1"]
[app_pagination month="1"]
[app_confirmation confirm_text="Your appointment is approved automatically. In case we need to make a change, we will contact you asap. Thanks!"]
[app_paypal]

After the recent update, it is broken. I can also no longer see which shortcodes to use in the settings tab, there is no longer a shortcodes tab for reference.

https://www.dropbox.com/s/ev837c95uuqxzgo/Screenshot%202017-03-21%2016.55.56.png?dl=0

Please help.