* installing *source* package 'rsubgroup' ...
** package 'rsubgroup' successfully unpacked and MD5 sums checked
** using staged installation
** R
** data
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
** building package indices
** testing if installed package can be loaded from temporary location
*** arch - i386
Error: package or namespace load failed for 'rJava':
 .onLoad failed in loadNamespace() for 'rJava', details:
  call: inDL(x, as.logical(local), as.logical(now), ...)
  error: unable to load shared object 'D:/RCompile/CRANpkg/lib/4.0/rJava/libs/i386/rJava.dll':
  LoadLibrary failure:  %1 ist keine zulässige Win32-Anwendung.

Error : package 'rJava' could not be loaded
Error: loading failed
Execution halted
*** arch - x64
ERROR: loading failed for 'i386'
* removing 'd:/Rcompile/CRANpkg/lib/4.0/rsubgroup'
* restoring previous 'd:/Rcompile/CRANpkg/lib/4.0/rsubgroup'