2502741 - MAIN_SHDCRE/EU_IMPORT2 fails with ERROR: (FLD) not all rows from buffer inserted in database

You are performing an upgrade using the Software Update Manager (SUM) and you receive the following error:

[SAPup.log]

CURRENTPHASE MAIN_SHDCRE/EU_IMPORT2
...started at 20170709043751
# Using phase log file 'EU_IMPORT2.LOG'
....begin processing at 20170709043813
...finished at 20170709045545 with status ABORTED.
# Error message set: '1 error during parallel execution of processes, check 'EU_IMPORT2.ELG' for details

[EU_IMPORT2.LOG]

2EETQ109 Found 1 errors in logs and 0 missing logs.
2EETQ106 1 processes failed.
1EETQ399 Last error code set is: 1 error during parallel execution of processes, check 'EU_IMPORT2.ELG' for
1EETQ399Xdetails
1EETQ399X4 processes failed, check 'EU_IMNDB.*' for details
1EETQ204 Upgrade phase "EU_IMPORT2" aborted with severe errors ("20170709045545")

[EU_IMPORT2.ELG]

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ANALYSIS OF LOG FILE 'D:\SUM\abap\log\EX000023.LOG
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ERROR: Found pattern "R3load....: job completed" 0 times, but expected 1!
Analyze the log file for further error messages or program abort.

[EX000023.LOG]

(HDB) INFO: Loading data in table "TFRT_BLOB~" with Mass Loader for LOBs #20170709044559
(IMP) ERROR: Task failed with error: (IMP) ExeFastload: rc = 2
(IMP) ERROR: (FLD) not all rows from buffer inserted in database

HANA Database

SIXMLTST~ , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem