If there is an issue with the expresssion, the business rules might not be updated. You need to update the predefined SetChoice business rule in the workspace.
Procedure
1 Click Configure > Attributes > Business Needs.
2 Click Configuration Overview.
3 Find the Time Threshold attribute.
4 Note the attribute ID of the Time Threshold attribute and the item IDs of the On Schedule, Take Caution, and Delayed items.
5 Click Configure > Attributes > Business Needs > SetChoice.
6 Update the IDs in the business rule with the IDs that you noted.