3661643 - realignment run causes DBSQL_DUPLICATE_KEY_ERROR in the transaction execution

A dump appears after executing transaction code KEND (realignment), the dump contains the below relevant information:

"DBSQL_DUPLICATE_KEY_ERROR" CX_SY_OPEN_SQL_DB
"RK471000" bzw. RKEVRK47_2
"FLUSH"

If the exception cannot be prevented, "CX_SY_OPEN_SQL_DB" must be caught within
procedure "FLUSH" "(FORM)" or declared in the procedure's RAISING clause.
To prevent the exception, note the following:

 

 1228     endif.
>>>>>     INSERT (G-C_TABNAME_CE4_KENC) FROM TABLE G-T_CE4_KENC.
 1230     DBCNT_CE4_KENC = SY-DBCNT.
 1231     SUBRC_CE4_KENC = SY-SUBRC.
 1232   ELSE.

SY-MSGTY E
SY-MSGID KM
SY-MSGNO 029

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• Contolling (CO) 
• 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 Finance
• SAP S/4HANA

SAP ERP Central Component all versions ; SAP ERP all versions ; SAP S/4HANA Finance 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

DBSQL_DUPLICATE_KEY_ERROR, realignment run, periodic execution, KM029, RKE_KENC_EXEC_CHGRUN, CX_SY_OPEN_SQL_DB, SAP S/4HANA, operating concern, KM 029, KEND, SAPMKEND , KBA , CO-PA-ACT , Flow of actual values , Problem