3410947 - Runtime Error 'ITAB_DUPLICATE_KEY' with Fiori APP Manage Business Partner Master Data

Dump below happens with several Fiori apps ‘Manage Business Partner Master Data’ and ‘Manage Supplier Master Data’ when end user tries to modify Business Partners.

Category               ABAP programming error
Runtime Errors         ITAB_DUPLICATE_KEY
ABAP Program           CL_ABAP_CORRESPONDING=========CP
Application Component  BC-ABA-LA

 Short Text
     A row already exists with this key

 What happened?
     Error in the ABAP application program.

     The current ABAP program "CL_ABAP_CORRESPONDING=========CP" had to be
      terminated because it found a
     statement that could not be executed.

Information on where terminated
    The termination occurred in ABAP program or include
     "CL_ABAP_CORRESPONDING=========CP", in "EXECUTE". The
    main program was "SAPMHTTP".

    In the source code, the termination point is in line 3 of include
     "CL_ABAP_CORRESPONDING=========CM003".
    include "CL_ABAP_CORRESPONDING=========CM003".

The text of the error in Fiori is “Runtime Error: 'ITAB_DUPLICATE_KEY'. The OData request processing has been abnormally terminated. If you use SAP S/4HANA Cloud, please create an incident. Otherwise, if "Runtime Error" is not initial, launch ADT feed "Runtime Errors" or transaction ST22 / SM21 (system log analysis) for details and analysis.”

SAP S/4HANA

KBA , LO-MD-FIO-BP , Fiori UI for Business Partner , Problem