* installing *source* package ‘ChronoTree’ ...
** using staged installation
** R
** byte-compile and prepare package for lazy loading
Error in library("glmertree") : there is no package called ‘glmertree’
Error: unable to load R code in package ‘ChronoTree’
Execution halted
ERROR: lazy loading failed for package ‘ChronoTree’
* removing ‘/srv/hornik/tmp/CRAN/ChronoTree.Rcheck/ChronoTree’