[pstricks] problem with pst-3dplot

[Paolo Covelli]

I've a problem with the package "pst-3dplot".

I quote the minimal code of my latex document (on a Kubuntu/Linux i386):

\documentclass[a4paper,10pt]{book}
\usepackage{pstricks}
\usepackage{pst-node}
\usepackage{pst-plot}
\usepackage{multido}
\usepackage{pst-xkey}
\usepackage{pst-3dplot}


\begin{document}
...
\end{document}

The LaTeX compiler give me the follow error message:

"/usr/share/texmf-texlive/tex/generic/pst-3dplot/pst-3dplot.tex:850:Color '[cmyk]{0.2,0.6,1,0}' not defined. ...Color={[cmyk]{0.2,0.6,1,0}},increment=10}"

How can I solve this question?

Thanks in advance.
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