Order & is flagged as "deleted" -> display only

What causes this issue?

The deletion indicator is set in order &V1&.

System Response

No further changes can be made to the order. It will be archived as
soon as residence period 2 for the relevant order type has expired.

How to fix this error?

You can display the order, but no other processing is possible.

Error message extract from SAP system. Copyright SAP SE.