Issue Description
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.

Cause
When changing a control in a View, the control source does not update.

Resolution

  1. Ensure you have K2 4.7 installed.
  2. Install the K2 4.7 February 2017 Cumulative Update.
  3. Get the K2 4.7 February 2017 Cumulative Update FP2 from Regional Support.
  4. Install the K2 4.7 February 2017 Cumulative Update FP2 to apply the fix.
  5. Clear the Browser cache.