* installing *source* package 'coursekata' ...
** package 'coursekata' successfully unpacked and MD5 sums checked
** using staged installation
** R
** data
*** moving datasets to lazyload DB
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
*** copying figures
** building package indices
** testing if installed package can be loaded from temporary location
Error: package or namespace load failed for 'coursekata':
 .onAttach failed in attachNamespace() for 'coursekata', details:
  call: vapply(pkgs, get_key, character(1))
  error: values must be length 1,
 but FUN(X[[1]]) result is length 2
Error: loading failed
Execution halted
ERROR: loading failed
* removing 'd:/Rcompile/CRANpkg/lib/4.4/coursekata'
* restoring previous 'd:/Rcompile/CRANpkg/lib/4.4/coursekata'