All of atom-ide-ui, ide-r, atom-language-r, R, and languageserver are installed. But Atom says "Unable to start the R language server".
I have ~/.Renviron with R_LIBS_USER=${R_USER}/.R/library, and languageserver is installed there. Can this be the cause of this problem? Does atom-ide-r require languageserver to be installed system-wide?
A few month ago I submitted a PR to linter-lintr to fix the similar issue (not merged yet, though):
AtomLinter/linter-lintr#123