* installing *source* package ‘CADF’ ...
** using staged installation
** R
** data
*** moving datasets to lazyload DB
** inst
** byte-compile and prepare package for lazy loading
Error in loadNamespace(x) : there is no package called ‘R6’
Error: unable to load R code in package ‘CADF’
Execution halted
ERROR: lazy loading failed for package ‘CADF’
* removing ‘/srv/hornik/tmp/CRAN_pretest/CADF.Rcheck/CADF’