Hi Nainesh,
Can you please check the below details.
It is also possible that the directory /usr/sap/trans/EHPI/abap/exe/brconnect can't be accessed. Please check the permissions for this directory.
can you please paste the below logs.
/SUM/upg/abap/log/CHKSYSPWD.LOG
This will have an error log for this phase.
Check that the instance client version is.
please let us know which kernel version you are at .
Thanks
RishI Abrol