3252878 - Error in SUM phase MAIN_NEWBAS/TABIM_UPG : ULFileStream, File too large

SUM encounters errors in phase MAIN_NEWBAS/TABIM_UPG for large files such as SAP_UI with AIX OS on DB6 during system upgrade.

SAPup.log:

CURRENTPHASE MAIN_NEWBAS/TABIM_UPG
# Error message set: 'ULFileStream: Get position of file pointer of '/usr/sap/SID/SUM/abap/log/SAPI-754BXINSAPUI.M02' failed: File too large'

SAPup.ECO has error lines:

2EETW000 tw_getprots() failed during fwrite; read: 19895, written: 3984 - please check log file for consistency
...
...
/usr/sap/SID/DVEBMGS00/exe/R3trans finished (0000).
ERROR: stopping on error 14 during MAIN IMPORT
stopping on error 14 during MAIN IMPORT

tp returncode summary:

TOOLS: Highest return code of single steps was: 14
ERRORS: Highest tp internal error was: 0212
tp finished with return code: 212
meaning:
  could not access file as supposed (see dev_tp or SLOG750 for more details)
SAPup> Process with PID 43385114 terminated with status 212 at 20220520120511!

AIX, DB6, SAP NetWeaver AS ABAP

ULFileStream, File too large, AIX 7.2, DB6, tw_getprots, failed during fwrite, TABIM_UPG, 2GB, APAR, IJ36669, LIBLD.A, 32-BIT, AIX, SAP_UI, MAIN_NEWBAS, 212, dev_tp, SLOG750, AIX 7200-05, MAIN IMPORT, tp, could not access file , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem