Warning: package ‘graphics’ in options("defaultPackages") was not found
Warning: package ‘stats’ in options("defaultPackages") was not found
* installing *source* package ‘runMCMCbtadjust’ ...
** using staged installation
** R
** inst
** byte-compile and prepare package for lazy loading
During startup - Warning messages:
1: package ‘graphics’ in options("defaultPackages") was not found 
2: package ‘stats’ in options("defaultPackages") was not found 
Error in dyn.load(file, DLLpath = DLLpath, ...) : 
  unable to load shared object '/srv/hornik/tmp/R-d-clang-18/library/graphics/libs/graphics.so':
  /srv/hornik/tmp/R-d-clang-18/library/graphics/libs/graphics.so: undefined symbol: LENGTH_EX
Calls: <Anonymous> ... namespaceImport -> loadNamespace -> library.dynam -> dyn.load
Execution halted
ERROR: lazy loading failed for package ‘runMCMCbtadjust’
* removing ‘/srv/hornik/tmp/CRAN/runMCMCbtadjust.Rcheck/runMCMCbtadjust’