Hi Sree,
This is possibly a new issue that occurs in SUM SP10 PL03 only.
SAP have few other reports of the same issue in the last two days.
It is still under investigation by SAP.
Unfortunately, you cannot simply use an older version of SUM for the execution phase. You
need to reset the upgrade as per the SUM guide, section 5.6. Then, extract the older SUM version and try the upgrade again from the start.
BR
Umang