Package KernSmooth build failure report

Build errors
ERROR: This R is version 2.2.0
package 'KernSmooth' needs R >= 2.2.1
Build output
* checking for file 'KernSmooth/DESCRIPTION' ... OK
* preparing 'KernSmooth':
* checking DESCRIPTION meta-information ... OK
* cleaning src
* checking whether 'INDEX' is up-to-date ... NO
* use '--force' to overwrite the existing 'INDEX'
* removing junk files
* checking for LF line-endings in source files
* checking for empty directories
* building binary distribution
* Removing '/private/tmp/Rinst.24335/KernSmooth'
ERROR
* installation failed