3003088 - SUM phase SPAMCHK_INI: SPAM archive extraction with errors ('Errors occurred while unpacking the archives')

During an upgrade using Software Update Manager (SUM), the following error message can be seen in phase PREP_PRE_CHECK/SPAMCHK_INI:

• SAPupConsole.log:
  

  << <Date> <Time>  END OF PHASE   PREP_PRE_CHECK/SPAMCHK_INI
=========== Repeat Phase ===========

  Severe error(s) occurred in phase PREP_PRE_CHECK/SPAMCHK_INI!



• SPAMCHK.LOG:
  3 ETQ399 "/usr/sap/trans/EPS/download/<SPAM/SAINT update package>.SAR"
2 ETQ373 parameter "IV_FORCE_EXTRACT" = "X"
1 ETQ234 Call of function module "OCS_API_EXTRACT_ARCHIVES" by RFC succeeded
4 ETQ010 Date & Time: <Date><Time>
2 ETQ374 parameter "EV_RC" = "8"
2 ETQ373 parameter "EV_MESSAGE" = "Errors occurred while unpacking the archives"
4EETQ399 SPAM archive extraction with errors ('Errors occurred while unpacking the archives')
1EETQ399 Last error code set is: No entry with key '<EPS file name of SPAM/SAINT update package>.PAT'
1EETQ204 Upgrade phase "SPAMCHK_INI" aborted with severe errors ("<Date><Time>")

• Software Update Manager (SUM)
• SAP NetWeaver ABAP

Software Update Manager, SUM, SPAM, SAINT, SPAMCHK, PREP_PRE_CHECK/SPAMCHK_INI, PREP_PRE_CHECK, upgrade,update, OCS_API_EXTRACT_ARCHIVES, Errors occurred while unpacking the archives , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem