SAP Message QF149 - Serial no. &3 already exists for confirmation no. &1, item no. &2

Diagnosis Serial no. <(>&<)>3 already exists for confirmation no. <(>&<)>1, itemno. <(>&<)>2 System Response The system cannot change the existing serial number automatically. Procedure Delete the existing defect data record in the transaction for changingdefect recording and start the defect transfer again. OR Change the serial number in the transaction for changing defectrecording.