SAP Message 28071 - Object reference/variable used more than once: &1 &2

Diagnosis The syntax check on the dependency found 2 different variables, &V1&and &V2&, for the same object. Procedure If you define a variable in a constraint (such as ?T IS_A POST), youmust use the variable (such as ?T) to refer to the object (such asPOST) throughout the constraint. Correct your entry accordingly.