Webench/LM3150-750EVAL: LM3150 for input 18V~30V output 12V/12A design

Tool/software: Webench

Hi Sir,

I have customer want to design a buck controller for input 18V~30V output 12V/12A design,

I just search LM3150 should be suitable for this design, but I can't create the reference design on webench, show the error message as below(Circuit Calculator can't create design.).

Could you please help to solve this issue?

thanks!

Jeff