SAP Message CBIH817 - &1 does not refer to person affected

Diagnosis
You attempted to enter the personnel number &V1& in the "Witness forperson affected" field, but no entry exists for this personnel numnerwith the role "person affected."
In the "Witness for person affected" field, you can only enter personnelnumbers that are already entered with the role "person affected."

Procedure
Change the entry so that it refers to a person affected.