* installing *source* package ‘shinyIRT’ ...
** this is package ‘shinyIRT’ version ‘0.1’
** package ‘shinyIRT’ successfully unpacked and MD5 sums checked
** using staged installation
** R
** byte-compile and prepare package for lazy loading
Error in loadNamespace(j <- i[[1L]], c(lib.loc, .libPaths()), versionCheck = vI[[j]]) : 
  there is no package called ‘qs2’
Calls: <Anonymous> ... loadNamespace -> withRestarts -> withOneRestart -> doWithOneRestart
Execution halted
ERROR: lazy loading failed for package ‘shinyIRT’
* removing ‘/Volumes/Builds/packages/big-sur-x86_64/results/4.6/shinyIRT.Rcheck/shinyIRT’