2723869 - SUM: Error in PREP_CHKIMPORT/INTCHK_IMP entries found in DDXTT

You are performing system update/upgrade with Software Update Manager SUM. An error occurred in phase "PREP_CHKIMPORT/INTCHK_IMP" for a number of entries:

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Checks after phase PREP_CHKIMPORT/INTCHK_IMP were negative!
The program has found 450 entries in DDXTT. All entries are listed in CHECK_INACTNT_DDXTT.LOG
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[CHECK_INACTNT_DDXTT.LOG]

1 ETQ000 ==================================================
1 ETQ399 Executing SQL script '../var/CHECK_INACTNT_DDXTT.XQL'.
2 ETQ399 Connecting to database '<SID>'.
4 ETQ393 START TABNAME->
4 ETQ010 Date & Time: <timestamp>
3 ETQ398 SQL: SELECT 'DDXTT', TABNAME FROM DDXTT GROUP BY TABNAME
4 ETQ394 "DDXTT","DCRRPVALUE"
4 ETQ394 "DDXTT","NTCI_SDA"
4 ETQ394 "DDXTT","DCRRTASKID"
4 ETQ394 "DDXTT","INTBASE"
4 ETQ394 "DDXTT","KIT_ID_SDA"
4 ETQ394 "DDXTT","NROLLNAME"
4 ETQ394 "DDXTT","SLT_TABLECHECK"
4 ETQ394 "DDXTT","PATCHQSEQ2"
4 ETQ394 "DDXTT","PAT_REC_SDA"
4 ETQ394 "DDXTT","DDDTRENUPG"
4 ETQ394 "DDXTT","PHASE"
4 ETQ394 "DDXTT","PUTMODE01"

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DDXTT, activation, move nametab, , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , BC-DWB-DIC-AC , ABAP Dictionary Activation and Conversion , Problem