How do I rectify this? "There are no appointment types available for scheduling"

Hello, I am not sure why the appointment types are not available for scheduling? I am on a the business plan and have just purchased scheduling and being able to take a deposit. Do I need commerce plan for this? I didnt think I did - It is through Paypal

Are your appointment types set to private? If yes, make them public.

Also check that they are attached to the calendar that you configured for the appointment block.