3411587 - Dump DBSQL_DUPLICATE_KEY_ERROR in program SAPLFCML4H_DOC_RW

Runtime error DBSQL_DUPLICATE_KEY_ERROR is generated updating object ML4HDOCREF in Program SAPLFCML4H_DOC_RW:

Category               ABAP programming error
Runtime Errors         DBSQL_DUPLICATE_KEY_ERROR
Except.                CX_SY_OPEN_SQL_DB
ABAP Program           SAPLFCML4H_DOC_RW
Application Component  CO-PC-ACT

Affected   FUNCTION FCML4H_DOC_POST  

Line:
13|  INSERT mldoc    FROM TABLE it_doc.  
>>>>>|  INSERT mldocccs FROM TABLE it_docccs. 

or

>>>>>|  INSERT mldoc FROM TABLE it_doc.

• Controlling (CO)
• SAP S/4 HANA

DBSQL_DUPLICATE_KEY_ERROR, CX_SY_OPEN_SQL_DB, SAPLFCML4H_DOC_RW, number range,  MLDOC, MLDOCCCS, NR status, DOCREF, ML4HDOCREF, ST22 , KBA , CO-PC-ACT , Actual Costing , CO-PC-OBJ , Cost Object Controlling , CO-OM , Overhead Cost Controlling , MM-IM-GF , Basic Functions , Problem