SAP Message 28042 - Partial condition not allowed: NOT SPECIFIED &1&2

Diagnosis
The predefined condition 'SPECIFIED' cannot be negated in thisdependency type. You have entered an expression in which the negativeform NOT SPECIFIED occurs or is inferred logically.
You cannot use the negative form of SPECIFIED (for example, NOTSPECIFIED) in actions or constraints. You can only negate SPECIFIED inprocedures.

System Response
The system marks the incorrect condition as a whole, but not thespecific place where 'NOT SPECIFIED' occurs, because this expressionmay only occur due to a combination of other expressions.

Procedure
Check your entry and make the necessary corrections, or check thedependency type.