SAP Message AP258 - Planning lock on order &1 in assigned investment program

Diagnosis
You want to change plan values for order &V1&. An investment programposition is directly or indirectly assigned to this order. A planninglock is in effect for program type &V2&, approval year &V3& andauthorization level &V4& in the requested plan version.

System Response
Planning for order &V1& is not possible.