Problem
The class is visible in the public booking calendar even though it should be hidden from uninvited members.
Possible cause
A closed class requires the Is a closed class setting to be enabled. Without this setting, the class will continue to appear in the public calendar and can be booked by anyone — regardless of other settings on the class template.
Solution
Open the edit view for the class template planning.
Check that Is a closed class is switched on.
Save the changes.
Check the public calendar again after saving.
If the problem persists, contact support and include details about:
The class name.
When the setting was last changed.