2537604 - Error in TABIM_UPG: duplicate variants for table VARIT

While using Software Update Manager (SUM), the following errors related to table VARIT occurs in phase TABIM_UPG:

Checks after phase MAIN_NEWBAS/TABIM_UPG were negative!

Last error code set:
Detected 8 errors summarized in 'TABIMUPG.ELG'
Calling '/usr/sap/ABC/DVEBMGS00/exe/tp' failed with return code 8, check
/SUM/abap/log/SAPup.ECO for details

*ERROR* :
Detected the following errors:

# /SUM/abap/log/SAPIH60012.<SID>:
4 ETW000 0 entries for VARIT imported (000OABCSLD00 SAP&AUDIT_D_BÜ ).
4 ETW000 1 entry for VARIT rejected - language not installed (000ORFDSLD00
SAP&AUDIT_D_BÜ ).
4 ETW000 0 d / 0 i / 0 u / 0 = 0% ucf VARIT
4 ETW000 0 entries for VARIT imported (000NABCSLD00 SAP&AUDIT_D_BÜ ).
4 ETW000 1 entry for VARIT rejected - language not installed (000NRFDSLD00
SAP&AUDIT_D_BÜ ).
2EETW000 1 duplicate key error during insert into table VARIT occured

4 ETW000 0 entries for VARIT imported (0003ABCSLD00 SAP&AUDIT_D_B# ).
4 ETW000 1 entry for VARIT rejected - language not installed (0003RFDSLD00
SAP&AUDIT_D_B# ).
4 ETW000 0 d / 0 i / 0 u / 0 = 0% ucf VARIT
4 ETW000 0 entries for VARIT imported (0002ABCSLD00 SAP&AUDIT_D_B# ).
4 ETW000 1 entry for VARIT rejected - language not installed (0002RFDSLD00
SAP&AUDIT_D_B# ).
2EETW000 1 duplicate key error during insert into table VARIT occured

•  SAP Netweaver ABAP release independent

Update, SUM, Software, Update, Manager, MAIN_NEWBAS/TABIM_UPG, Upgrade, VARIT, RFDSLD00, RFKSLD00, RFKSLD00_NACC, RFDSLD00_NACC, SAP&AUDIT_BÜRG, SAP&AUDIT_D_BÜ , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem