SAP Message VAL812 - No impairment procedure is defined for position management procedure &1

Diagnosis
You want to record an impairment for a position with position managementprocedure &V1&.
However an impairment procedure has not been defined for this positionmanagement procedure.

System Response
Processing is terminated.

Procedure
Specify an impairment procedure for position management procedure &V1&.If necessary, define an impairment procedure beforehand.