2390444 - Error 100 or "Process with PID xxxxx terminated with status -11" happens while calling SAPCAR in phase SCAN_DOWNLOADDIR in AIX environment

SUM ended with error "Process with PID xxxxx terminated with status -11" while calling SAPCAR in phase SCAN_DOWNLOADDIR in AIX environment. The error message can be found in the relevant log file CAR.xxx. (x here will be an Arabic number in the actual environment).

If you call SAPCAR to unpack *.SAR packages manually,  the following error happens:

SAPCAR: error in GetEntryData(); unknown block type(error 100). No such file or directory

OR SUM ends with error like below :

EXECUTING /usr/sap/<SID>/SUM/abap/bin/SAPCAR -V -tvf /sapcd/grc_upgnew/SAPEXE_401-80001429.SAR
SAPCAR: processing archive <SUM>/Downloads/SAPEXE_401-80001429.SAR (version 2.01)
SAPCAR: unknown entry type encountered (error 100). No such file or directory

System upgrade with SUM in AIX environment

error 100, unknown entry type encountered, SCAN_DOWNLOADDIR, FTP, SAPCAR, error in GetEntryData(), unknown block type(error 100), No such file or directory , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , BC-OP-AIX , IBM AIX , Problem