* installing *source* package ‘covidsymptom’ ...
** 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 ‘usethis’
Error: unable to load R code in package ‘covidsymptom’
Execution halted
ERROR: lazy loading failed for package ‘covidsymptom’
* removing ‘/srv/hornik/tmp/CRAN/covidsymptom.Rcheck/covidsymptom’