SAP Message WXP262 - Plan characteristic &1 is used in more than one planning hierarchy level

Diagnosis
The current assignment of plan characteristics toplanning steps represents a global planninghierarchy that is not a simple tree structure. This means that theproportional factors for distributing planning data between planninglevels is no longer clearly defined and that mutual dependencies haveappeared.

System Response
The planning scenario cannot be activated.

Procedure
Change the assignment of plan characteristics to planning steps inplanning step maintenance.
You can find examples of consistent and inconsistent assignments in thedocumentation for Merchandise & Assortment Planning (MAP).