* using log directory 'd:/Rcompile/CRANpkg/local/2.11/twitteR.Rcheck' * using R version 2.11.1 Patched (2010-07-29 r52657) * using session charset: ISO8859-1 * checking for file 'twitteR/DESCRIPTION' ... OK * this is package 'twitteR' version '0.99.2' * checking package name space information ... OK * checking package dependencies ... OK * checking if this is a source package ... OK * checking whether package 'twitteR' can be installed ... ERROR Installation failed. The installation logfile: * installing *source* package 'twitteR' ... ** R ** inst ** preparing package for lazy loading Loading required package: bitops Error in eval(expr, envir, enclos) : could not find function "setRefClass" Error : unable to load R code in package 'twitteR' ERROR: lazy loading failed for package 'twitteR' * removing 'd:/Rcompile/CRANpkg/lib/2.11/twitteR' * restoring previous 'd:/Rcompile/CRANpkg/lib/2.11/twitteR'