Deleting a SmartObject that is no longer required does not remove the references on the View where the SmartObject was used. Controls on the View still reference the deleted SmartObject.
When changing a control in a View, the control source does not update.
- Ensure you have K2 4.7 installed.
- Install the K2 4.7 February 2017 Cumulative Update.
- Get the K2 4.7 February 2017 Cumulative Update FP2 from Regional Support.
- Install the K2 4.7 February 2017 Cumulative Update FP2 to apply the fix.
- Clear the Browser cache.