Diagnosis
In the following cases, an optional entry for &V1& is not possible:

• V1 is used in a selection row with exclude (sign = e)


• V1 is used in a selection row where the operator is not eq or between


• The selection row is an interval and both the From value and To value
are optional variables

• The selection is a structure element (FEMS > 0) and consists of several
selection rows with include (SIGN = I) for the same characteristic

System Response
Variable &V1& is set as a mandatory entry in this query.

Procedure
If you can permit the mandatory entry setting, you do not have toperform any further steps.
Alternatively, you can use an optional interval variable. You can alsodefine two or more (hidden) selection elements, which you merge with aformula element.