Selene unicode was replaces by luautf8 long time ago. So scripts fails on this line, because `unicode` global does not exist. https://github.com/Raidar/Rh_Scripts/blob/ba55fd2f71e7adc84e491caa2e9f22f2fa3d90d0/Common/CharsMap.lua#L588 Possible fix: just comment out the line.