When a workflow contains an Item Reference to a SharePoint People or Group column as a destination, the value does not resolve and workflow goes into an error state.
The error message returned is: “Activity with a client event should at least have one destination”.
- Ensure you have K2 Five (5.1) installed.
- Get the K2 Five (5.1) FP3 from Regional Support.
- Install the K2 Five (5.1) FP3 to apply the fix.
- Start a new instance of the workflow.