one error when i used this package

[justforlearnso]

After using the "art()" function, the "art" class data were put into the "anova" function,then errors remind in R studio : Error in Anova.III.lm(mod, error, singular.ok = singular.ok, ...) : there are aliased coefficients in the model, what should i do to remove the aliased data and fix this error?

help.zip

thanks for your help

[justforlearnso]

the file contains the origin data "Vdv", there are four factors : "转速" “进给” “倾角” “VB起点”，and the response is "Vdv速率"

[mjskay]

Can you prepare a reprex that reproduces the error? Then I might be able to help debug it.