error -23001 when I use the nonlinear curve fitting vi ?

[Curry777]

So simple equation,still have problem.......Please help me !!

(Labview version 8.5)

[Mathan]

Do a search in the forum with the error code 23001 and you will have few hits discussing about the error code. see here and here for a start. Post back if you still have problems.

Thanks,

Mathan

[Curry777]

I had read the article,and add " ; "int the formula end.

The error code change from 23001 to 23082 ,still not work. I upload my simple vi by attachment.

ps:

I had checked the formula rule: http://digital.ni.com/public.nsf/allkb/E9C5F3943096927C86256D50005C26B2