* checking for working latex ... OK
* using log directory 'd:/Rcompile/CRANpkg/check/1.8/kernlab.Rcheck'
* checking for file 'kernlab/DESCRIPTION' ... OK
* checking if this is a source package ... OK

This R is version 1.8.1
    package `kernlab' requires R 1.9.0 or later

 ERROR
Installation failed.