* installing *source* package 'akc' ...
** package 'akc' 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
Error: object 'key<-' is not exported by 'namespace:data.table'
Execution halted
ERROR: lazy loading failed for package 'akc'
* removing 'd:/Rcompile/CRANpkg/lib/4.4/akc'
* restoring previous 'd:/Rcompile/CRANpkg/lib/4.4/akc'