* installing *source* package 'TwoWayFEWeights' ...
** using staged installation
** R
** byte-compile and prepare package for lazy loading
Warning: replacing previous import 'dplyr::lag' by 'stats::lag' when loading 'TwoWayFEWeights'
Warning: replacing previous import 'dplyr::filter' by 'stats::filter' when loading 'TwoWayFEWeights'
Warning: replacing previous import 'dplyr::add_rownames' by 'huxtable::add_rownames' when loading 'TwoWayFEWeights'
Warning in library(package, lib.loc = lib.loc, character.only = TRUE, logical.return = TRUE,  :
  there is no package called 'data.table'
Installing package into 'D:/temp/RtmpIVa8pq/RLIBS_7a541dca7e49'
(as 'lib' is unspecified)
Error in contrib.url(repos, "source") : 
  trying to use CRAN without setting a mirror
Error: unable to load R code in package 'TwoWayFEWeights'
Execution halted
ERROR: lazy loading failed for package 'TwoWayFEWeights'
* removing 'd:/RCompile/CRANincoming/R-devel/lib/TwoWayFEWeights'