Plan values indicator not poss. for ALE method "Centralized planning"

What causes this issue?

In controlling area &V1& you want to send plan values from the
decentralized system to the centralized system. As the ALE method 3
"Centralized planning, decentralized actual data entry" is active in
this controlling area, no plan values are managed decentrally. This
means that it is not possible to send plan values.

System Response

The system resets the "Plan values" indicator.

Error message extract from SAP system. Copyright SAP SE.