You cannot edit marketing project &1; it is already archived

What causes this issue?

This marketing project is archived. You cannot make any changes to an
archived marketing project, and you cannot add an archived marketing
project to a scenario or a scenario set.
This also has the implication that, once you have archived a marketing
project, the system can no longer change the active state (<ZK>Active
</>, <ZK>Inactive</>, or <ZK>Committed</>) of the project. This means:
You cannot set a scenario to operative if this would require a change to
the active state of an archived marketing project
You cannot directly remove an archived marketing project from the
operative scenario, because this would require a change to the active
state of the archive marketing project

System Response

You cannot edit the marketing project.

How to fix this error?

You <ZH>can </>remove an archived marketing project from the planning
scope.
If you want to remove an archived marketing project from the operative
scenario, remove the project from the planning scope. The system then
removes it from all scenarios of the scenario set.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.