SAP Message WXP085 - Article characteristic &3 is not a planning level for planning step &1

Diagnosis
You have selected the enhancement "Article Planning" for planninglayout &V2& (planning step &V1&). Before article planning can be run,the characteristic with the meaning "Article" (in this case &V3&) mustbe assigned to the appropriate planning step as a planning level. Thisis not currently the case.

System Response
The planning scenario cannot activated before of this datainconsistency.

Procedure
Add planning level &V3& to planning step &V1& or do not select theenhancement "Article Planning" for planning layout &V2&.
When you have done this, check the planning scenario again.