3_RunSMBalance.ipynb for a different case

[lahirujayakody]

When I try to use these codes for a different case, up to this point it works. But, last part of "3_RunSMBalance.ipynb" gives below mention error,
"IndexError: Index is not smaller than dimension 6 >= 6"

My study was for only 6 months,

Screenshots of the entire error message is attached herewith for your reference
Please inform me how to do it for 6 months or other time periods.