2844600 - Software Upgrade Manager stops in phase MAIN_POSTCLEAN/SAVELOGS with an error

• While performing an upgrade or update using the Software Update Manager (SUM) an error occurs in phase MAIN_POSTCLEAN/SAVELOGS
• An error similar to the one below can be found in the SAPupConsole.log
  

Severe error(s) occurred in phase MAIN_POSTCLEAN/SAVELOGS!

Last error code set:
Process <DIR_PUT>/SUM/abap/bin/SAPCAR exited with 6, see
'<DIR_PUT>/SUM/abap/log/SAVELOGS.LOG' for details

A trouble ticket and an archive with all relevant log files have been
generated.Trouble ticket: "<DIR_PUT>/SUM/abap/log/SAPup_troubleticket.log"
Log archive: "<DIR_PUT>/SUM/abap/log/SAPup_troubleticket_logs.sar"

• An error similar to the one below can be found in the SAVELOGS.LOG file

EXECUTING<DIR_PUT>/SUM/abap/bin/SAPCAR -cf /usr/sap/trans/ehpi/<SID>/740/ABAP_190930093149.SAR -C <DIR_PUT>/SUM/abap -A <DIR_PUT>/SUM/abap/tmp/SAVELOGS.LST -T <DIR_PUT>/SUM/abap/tmp/RENLOGS.LST

SAPCAR: error opening /usr/sap/trans/ehpi/<SID>/740/ABAP_190930093149.SAR (error 6). Permission denied
SAPup> Process with PID 26546 terminated with status 6 at 20190930093150!
SAPup> Starting subprocess with PID 98244 in phase 'SAVELOGS' at 20190930145138

Unix

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