SAP Message RSDODSO408 - Selection criteria: Option "&1" is not valid

Diagnosis
The selection criteria table contains the operator &V1& which is notwithin the valid values listed below.

System Response
An error message has been raised, and the control data was given to theprogram that was called.

Procedure
Make sure that the operator (field OPT) is among the following values:
'EQ' = Equal to
'GE' = Greater than or Equal to
'LE' = Less than or Equal to
'GT' = Greater than
'LT' = Less than
'NE' = Not equal
Note: The operator 'CP' (Contains pattern) is not supported.