3724803 - Dump ITAB_DUPLICATE_KEY while updating contract using tcode MEMASSCONTRACT or XML error "A row already exists with this key" when Contract sent from Ariba - SAP ERP & SAP S/4 HANA.

• Dump Error while updating contract using tcode MEMASSCONTRACT. System dumps with below details. 
  
  Category               ABAP programming error
  Runtime Errors         ITAB_DUPLICATE_KEY
  ABAP: Program          CL_MMPUR_OUT_DB_UTILITY=======CP
  Application Component  MM-PUR
  Short text: A row already exists with this key.
  
  Termination occurred in ABAP program or include "CL_MMPUR_OUT_DB_UTILITY=======CP", in "GET_TTXIT".
  
  
• Contract XMLs sent from Ariba Contract Workspace to SAP ERP fail in Message Monitor (SRT_MONI) with the error message: A row already exists with this key.

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• Materials Management (MM)
• SAP ERP Central Component
• SAP ERP
• SAP enhancement package for SAP ERP
• SAP enhancement package for SAP ERP, version for SAP HANA
• SAP S/4HANA
• SAP S/4HANA Cloud Private Edition

SAP ERP Central Component all versions ; SAP ERP all versions ; SAP S/4HANA Cloud Private Edition all versions ; SAP S/4HANA all versions ; SAP enhancement package for SAP ERP all versions ; SAP enhancement package for SAP ERP, version for SAP HANA all versions

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