Sets a schedule's status to CANCELLED.
Also cancels future events belonging to the schedule.
Once a schedule is marked as CANCELLED, you can't reactivate it, update it,
or assign new events.
This method may require higher-level permissions than the caller has, based on their identity and roles and permissions. In these cases, you can ensure the method is called with the required level of authorization by using one of the following:
ID of the schedule to cancel.
There is 1 error with this status code.
This method may also return standard errors. Learn more about standard Wix errors.