Can someone help me fix this script for 3dsmax 2018 Nitrous DX9?

Submitted by Prunaru Mircea on Sat, 2017-05-06 05:59

Hello there can someone help me with this error? ( https://i.imgur.com/tbKx7nI.png )

the script is this one
http://www.scriptspot.com/3ds-max/scripts/superclaymode

but it gives some error in DX9 mode!(since my 3ds max in DX11 mode has a bug and i cant model or animate in it but in dx9 mode is okay)
Please I was realy happy when i found this script but becouse of my crap 2018 3ds max i cant use it in dx11 mode

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