SAP Message 3F802 - Plan scenario &1 &2 &3 &4 has already been released

Diagnosis
Plan scenario &V2& in plan version &V1& with the planning period fromV3 to v4 has already been released to co. the action that you wantto perform, could effect data that should be sent to CO or that hasalready been sent to CO.

Procedure
If the data has already been transferred to CO and the planning hasbeen changed, send the changed data to CO again.