SAP Message WXP437 - &1 &2 does not exist in the table

Diagnosis
You want to position the cursor on characteristic value &V2& forplanning characteristic &V1&.
This characteristic value does not exist in the table.
However, you can only position the cursor on existing characteristicvalues.

Procedure
View all existing characteristic values using the F4 function andselect a characteristic value from the list.