Hello, The problem stemed from an .Rprofile file which was setting .libPaths with the directory path to a library of packages for the previous version of R and starting R with the --vanilla option avoided the problem.
-------------------------------------- Dario Strbenac University of Sydney Camperdown NSW 2050 Australia _______________________________________________ Bioc-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/bioc-devel