hey, i wanted to make an obmm script for a mod, but it doesn't work. anyone knows why?

here's the script:

DontInstallAnyDataFiles;Install Core PartsCopyDataFolder "00 Core\\Meshes" "Meshes";Choose FeetSetVar Feet "Standard"If DialogYesNo "Do you want to use PPN Feet instead of the Standard Feet?" "PPN Feet?"	SetVar Feet "PPN"EndIf;Choose BottomsSetVar Bottoms "M"Select "Select your bottoms:" "LL" "L" "M" "O" "S"	Case LL		SetVar Bottoms "LL"	Break	Case L		SetVar Bottoms "L"	Break	Case M	Break	Case O		SetVar Bottoms "O"	Break	Case S		SetVar Bottoms "S"	BreakEndSelect;Choose TopsSetVar TopsType "Normal"SetVar TopsCup "D"If DialogYesNo "Do you want to use the Fighter Top instead of the Normal Top?" "Fighter Top?"	SetVar TopsType "Fighter"EndIfSelect "Select your cup:" "D-Cup" "E-Cup" "H-Cup"	Case D-Cup	Break	Case E-Cup		SetVar TopsCup "E"	Break	Case H-Cup		SetVar TopsCup "H"	BreakEndSelect;Installing;FeetCopyDataFolder "01 Feet "%Feet%"\\Meshes" "Meshes";BottomsSetVar BottomsI "02 Bottoms "%Bottoms%CopyDataFolder "02 Bottoms "%Bottoms%"\\Meshes" "Meshes";TopsCopyDataFolder "03 Tops "%TopsType%" ("%TopsCup%"-Cup)\\Meshes" "Meshes"IfNot DialogYesNo "The HGEC Body Parts are now ready for install. Do you want to continue?"	FatalErrorEndIf