Package Rmdr build failure report

Build errors
ERROR: This R is version 2.2.0
package 'Rmdr' needs R >= 2.2.1
Build output
* checking for file 'Rmdr/DESCRIPTION' ... OK
* preparing 'Rmdr':
* checking DESCRIPTION meta-information ... OK
* cleaning src
* removing junk files
* checking for LF line-endings in source files
* checking for empty directories
* building binary distribution
* Removing '/private/tmp/Rinst.27956/Rmdr'
ERROR
* installation failed