Tip: Why a Purchase Order cancel process may fail with a backing requisition

Summary

When a purchase order line is canceled with the option to reinstate the backing requisition line, the cancel order line process fails. How do I troubleshoot this?

Content

Customers / Support

There have been a few bugs raised with similar symptoms and this tip may be helpful as first level triage.

Problem:

Customer is attempting to cancel a purchase order line with a backing requisition. Cancel Unfulfilled Demand is set to No.

The system attempts to process such a change order but rejects the change order automatically.

Triage and common Root Cause:

What is significant in all these cases was the observation that if Cancel Unfulfilled Demand is set