You can only delete a time range once all references to it have been removed. To help you identify and locate the references to a particular time range, export the line items from the model. To export all line items, In Model Settings > Modules > Line Items, select Export.
To remove references to a time range one-by-one, follow these steps.
- Navigate to Model Settings > Modules > Line Items.
- In the Time Range column, remove the reference to the time range by selecting a different time range or Model Calendar.