Symptoms

After Upgrade environment from 4.6.6 to 4.6.11, and ran the DB consolidation tool, environment seems to be functional but the process instance reports are broken. When testing the process instance smartobject it fails with,
Error
Object reference not set to an instance of an object.
Service: WorkflowReportingService
Service Guid: ef7310e5-b14f-464d-bOf3-a37d6d67620
Severity. Error

 

Diagnoses

The issue was caused by missing values for smartforms environment fields.
 

Resolution

Updating smartforms environment fields for this environment with the correct value, resolved the issue.