3369194 - Business Object Document ID values are missing in the Event Notification Monitoring.

When user is triggering changes for Employee BO, Business Object Document ID values are missing in the Event Notification Monitoring View.

SAP Business ByDesign 

1. Go to Application & User Management Work Center
2. Navigate to Input and Output Management View
3. Select Event Notification Monitoring View
4. You can see data is missing for Business Object Document ID 

This is the System Standard behaviour for few Business Objects (Example: Employee)

Business Object document ID service doesn't supported to Employee Business Object.

When Event messages created with Employee Business Object ,document ID field will be empty in the system.

values missing, Employee BO, Business Object Document ID, Event Notification Monitoring  , KBA , AP-RC-OUT-EVT , ByD: Event Notifications , Problem