During an upgrade using SUM tool, you face the following error during the phase MAIN_NEWBAS/JOB_RSWBOUP1 :
1EETQ399 Last error code set is: RFC system <SID> nr XX function 'SUBST_START_BATCHJOB'
1EETQ399 RFC failed with code 5
1EETQ399XID:PO Type:E Number:238
1EETQ203 Upgrade phase "JOB_RSWBOUP1" aborted with errors ("<TIMESTAMP>")
Upgrade using SUM 1.0 or 2.0
SUM, UPGRADE, HOSTNAME, VIRTUAL, etc , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem
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