* installing *source* package 'FluxSeparator' ... ** this is package 'FluxSeparator' version '0.1.0' ** using staged installation ** R ** data *** moving datasets to lazyload DB ** inst ** byte-compile and prepare package for lazy loading Error in library(devtools) : there is no package called 'devtools' Error: unable to load R code in package 'FluxSeparator' Execution halted ERROR: lazy loading failed for package 'FluxSeparator' * removing 'd:/RCompile/CRANincoming/R-devel/lib/FluxSeparator'