{"action":"reopened","issue":{"url":"https://api.github.com/repos/syl20bnr/spacemacs/issues/4618","labels_url":"https://api.github.com/repos/syl20bnr/spacemacs/issues/4618/labels{/name}","comments_url":"https://api.github.com/repos/syl20bnr/spacemacs/issues/4618/comments","events_url":"https://api.github.com/repos/syl20bnr/spacemacs/issues/4618/events","html_url":"https://github.com/syl20bnr/spacemacs/issues/4618","id":126760564,"number":4618,"title":"Can't use R in babel","user":{"login":"maxigit","id":115336,"avatar_url":"https://avatars.githubusercontent.com/u/115336?v=3","gravatar_id":"","url":"https://api.github.com/users/maxigit","html_url":"https://github.com/maxigit","followers_url":"https://api.github.com/users/maxigit/followers","following_url":"https://api.github.com/users/maxigit/following{/other_user}","gists_url":"https://api.github.com/users/maxigit/gists{/gist_id}","starred_url":"https://api.github.com/users/maxigit/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/maxigit/subscriptions","organizations_url":"https://api.github.com/users/maxigit/orgs","repos_url":"https://api.github.com/users/maxigit/repos","events_url":"https://api.github.com/users/maxigit/events{/privacy}","received_events_url":"https://api.github.com/users/maxigit/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/syl20bnr/spacemacs/labels/Org","name":"Org","color":"207de5"},{"url":"https://api.github.com/repos/syl20bnr/spacemacs/labels/question","name":"question","color":"cc317c"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":6,"created_at":"2016-01-14T22:14:04Z","updated_at":"2016-01-19T20:13:26Z","closed_at":null,"body":"I'm trying to use R and babel and I get the following error message : \r\n\r\n    Error in dotspacemacs/user-config: Invalid function: org-babel-header-args-safe-fn\r\n\r\nI only get this error message when I add `(R . t)` in the `orb-babel-do-load-languages` section. If I use python or ruby it works fine."}}