Help with porting

Ok im currently trying to port Kbrizzles tree patch. i used the syntax checker and everything isok accept for utility.gsc so ive been trying to get this patch ported to pc for awhile now and gave up as the results were like 2 unworking ones. but i failed in porting myself. the errors are
[level.perkSetFuncs[perkname]]]
[level.perkUnsetFuncs[perkname]]]
and vac_scal. if you have any ideas please let me know

this patch idk y can not be ported