Diagnosis
The return value is unstructured because it was entered using tablemaintenance or was maintained when the feature still had no structurefor the return value.
Without separators, the return value cannot be displayed with astructure.

Procedure
Delete the return value, then create it again.
Alternatively, you can change the return value by separating theindividual elements one from the other using a | (vertical line). Youmust also include a vertical line at the start and end of the string.
Example:
Old: ABC123XYZ
New: |ABC|123|XYZ|