Material & in plant & contains marked cost estimate

What causes this issue?

You are costing material &v1& in plant &v2&. The material has a
<DS:GLOS.marking>marked</> standard cost estimate for this period.

System Response

The costing results of the marked cost estimate remain in the material
master record as the future standard price.

How to fix this error?

If you want to overwrite the future standard price in the material
master record with the results of the new cost estimate, you must mark
the new cost estimate.

Error message extract from SAP system. Copyright SAP SE.