In order If you want to use the "End Campaign Item" function for delivery data-based invoices, you will need to activate the Flow which will schedule to that schedules a delivery report import for items once they have ended.
To do this, follow these steps:
1. Navigate to the
...
Setup
2. Go to Process Builder
3. Activate the process
...
named "End Campaign Item - Schedule Delivery Report
...
"
4. Finally, proceed to end Campaign Items.