OK, now I get this:
ess-eval-buffer: Wrong type argument: symbolp, ((inferior-ess-primary-prompt . "\\w*> ") (inferior-ess-secondary-prompt) (inferior-ess-prompt . "\\w*> ") (ess-local-customize-alist . ess-julia-customize-alist) (inferior-ess-program . inferior-julia-program) (ess-load-command . "include(expanduser(\"%s\"))
") (ess-funargs-command . "ESS.fun_args(\"%s\")
") (ess-dump-error-re . "in \\w* at \\(.*\\):[0-9]+") (ess-error-regexp . "\\(^\\s-*at\\s-*\\(?3:.*\\):\\(?2:[0-9]+\\)\\)") (ess-error-regexp-alist . ess-julia-error-regexp-alist) ...)