su: ignoring --preserve-environment, it's mutually exclusive with --login
Error in dyn.load(file, DLLpath = DLLpath, ...) : 
  unable to load shared object '/usr/local/lib/R/extra-library/rlang/libs/rlang.so':
  /usr/local/lib/R/extra-library/rlang/libs/rlang.so: undefined symbol: SETLENGTH
Calls: local ... namespaceImport -> loadNamespace -> library.dynam -> dyn.load
Execution halted