I have been using readxl function for years... Suddenly, today, I get an error message: > T1 <- read_excel(fname,sheet="T1") Error in loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]]) : there is no package called ‘lifecycle’ Does anyone know what has happened? D.P. Weygand Old Dominion University Norfolk, VA [[alternative HTML version deleted]]