SAP Message W/179 - Price phase &3 of generic mat. &1 &2 not deleted; variant is activated

Diagnosis
The price phase with the start date &V3& for the generic material &V1&V2 cannot be deleted because the relevant price phase for theindividual variants has already been activated.

System Response
The price phase is not deleted.

Procedure
If necessary, change the sales price of the activated variants back totheir former value and reactivate the price phase.