SAP Message 5F466 - A 'Garnishment' infotype already exists with the same claim number

Diagnosis You entered a claim number that has already been entered in infotype'Garnishment'(0272) (for period from &V1& to &V2&, priority &V3&and internal number &V4&). A new number must be attributed to each claim. System Response The system interrupts processing. Procedure Correct the existing claim number.