[R-sig-Geo] warnings in fit.variogram and autofitVariogram

[kad]

Dear all,
yesterday I posted two messages by mistake,excuse me everybody.
I see two warnings and I dont know what I must do.
 I want to make a ordinary kriging.
 I use the package automap for my report .do you help me?Thanks

1) In fit.variogram(object, model, fit.sills = fit.sills, ... :
 valeur d'argument hors intervalle dans 'bessel_k'

2) In autofitVariogram(ANGAR ~ 1, r) :> Some models where removed for being
either NULL or having a negative> sill/range/nugget,> set verbose == TRUE
for more information
My code is: http://r-sig-geo.2731867.n2.nabble.com/file/n5454757/mycodeR
mycodeR  

when I do verbose=TRUE I see this:
http://r-sig-geo.2731867.n2.nabble.com/file/n5454757/error error 
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