2241073 - Error "Missing opening bracket for macro call" in PREP_INPUT_CHECK/SCANDIR_COLLECT phase of upgrade

During an upgrade using Software Update Manager (SUM) tool, upgrade stops in PREP_INPUT_CHECK/SCANDIR_COLLECT phase with below error:

Directory: DIR_PUT/log/SAPupConsole.log:
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Severe error(s) occurred in phase PREP_INPUT_CHECK/SCANDIR_COLLECT!

Last error code set: Missing opening bracket for macro call '<number>'

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

01) * Repeat phase PREP_INPUT_CHECK/SCANDIR_COLLECT to continue at the point it stopped
02) - Exit program
: Repeat phase PREP_INPUT_CHECK/SCANDIR_COLLECT to continue at the point it stopped
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Directory: DIR_PUT/log/SCANDIR.LOG:
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1 ETQ399 Scanning for IGS/IGS helper archives in download area.
2 ETQ399 Marking IGS archive archive '<Download direcotry>/igsexe_10-20007785.sar' with COPYIGS_EXE.
2 ETQ399 Marking IGS-helper archive archive '<Download directory>/<file>' with COPYIGS_EXE.
1 ETQ399 Executing action 'INFO'
1EETQ399 Last error code set is: Missing opening bracket for macro call '<filename>'
1EETQ204 Upgrade phase "SCANDIR_COLLECT" aborted with severe errors ("<date/time>")
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 Note: The filename mentioned above is just used as an example. In real situation, the names could be different.

SUM, Upgrade, ABAP, Dual stack, EHP, update, SCANDIR, scan, SCANDIR_COLLECT, macro, Missing opening bracket for macro call. , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem