Diagnosis
The planning layout was parameterized so that combinations should beformed for all characteristics of the planning level, in accordancewith the maintenance of characteristic relationships. However,combinations were generated in individual steps, but in total therewere no valid combinations.

System Response
Since no valid combinations can be formed within the selection, manualplanning is not possible.,,,,

Procedure
If required, correct the settings in the characteristic relationshipsin the context of the current planning area '&V1&'.