When time slots are created and then activated in the Expert section in Edit Occupancy Schedule it then doesn’t work on the frontend.

This is what it looks like with Time Slots turned off: https://members.strethambowlsclub.co.uk/wp-content/uploads/2024/04/Breaks-with-Time-Slot-On.png

This is what happens with Time Slots turned on: https://members.strethambowlsclub.co.uk/wp-content/uploads/2024/04/Calendar-works-when-Time-Slot-off.png

In version 1.3.21 of the plugin the shortname length was changed from 6 characters to 16. In verison 1.4 it seems to have gone back to 6 characters for the shortname.