{"action":"created","issue":{"url":"https://api.github.com/repos/rstudio/rstudio/issues/2494","repository_url":"https://api.github.com/repos/rstudio/rstudio","labels_url":"https://api.github.com/repos/rstudio/rstudio/issues/2494/labels{/name}","comments_url":"https://api.github.com/repos/rstudio/rstudio/issues/2494/comments","events_url":"https://api.github.com/repos/rstudio/rstudio/issues/2494/events","html_url":"https://github.com/rstudio/rstudio/issues/2494","id":308187683,"number":2494,"title":"fatal error when Binding not found","user":{"login":"dleutnant","id":13165811,"avatar_url":"https://avatars0.githubusercontent.com/u/13165811?v=4","gravatar_id":"","url":"https://api.github.com/users/dleutnant","html_url":"https://github.com/dleutnant","followers_url":"https://api.github.com/users/dleutnant/followers","following_url":"https://api.github.com/users/dleutnant/following{/other_user}","gists_url":"https://api.github.com/users/dleutnant/gists{/gist_id}","starred_url":"https://api.github.com/users/dleutnant/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dleutnant/subscriptions","organizations_url":"https://api.github.com/users/dleutnant/orgs","repos_url":"https://api.github.com/users/dleutnant/repos","events_url":"https://api.github.com/users/dleutnant/events{/privacy}","received_events_url":"https://api.github.com/users/dleutnant/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":8,"created_at":"2018-03-23T21:44:14Z","updated_at":"2018-03-24T00:12:59Z","closed_at":null,"author_association":"NONE","body":"### System details\r\n\r\n    RStudio Edition : Desktop\r\n    RStudio Version : 1.2.440\r\n    OS Version      : Intel Mac OS X 10_13_3\r\n    R Version       : 3.4.3\r\n\r\n### Steps to reproduce the problem\r\n```r\r\nlibrary(dplyr)\r\ntibble(a = 1234) %>% \r\n  mutate(b = col_which_does_not_exist)\r\n\r\n```\r\n### Describe the problem in detail\r\n\r\nRStudio crashes if dplyr can't find specified column\r\n\r\nExecuting the code above in RGui works and gives:\r\n\r\n```r\r\ntibble(a = 1234) %>% mutate(b = col_which_does_not_exist)\r\nError in mutate_impl(.data, dots) : \r\n  Binding not found: col_which_does_not_exist.\r\n```"},"comment":{"url":"https://api.github.com/repos/rstudio/rstudio/issues/comments/375829777","html_url":"https://github.com/rstudio/rstudio/issues/2494#issuecomment-375829777","issue_url":"https://api.github.com/repos/rstudio/rstudio/issues/2494","id":375829777,"user":{"login":"dleutnant","id":13165811,"avatar_url":"https://avatars0.githubusercontent.com/u/13165811?v=4","gravatar_id":"","url":"https://api.github.com/users/dleutnant","html_url":"https://github.com/dleutnant","followers_url":"https://api.github.com/users/dleutnant/followers","following_url":"https://api.github.com/users/dleutnant/following{/other_user}","gists_url":"https://api.github.com/users/dleutnant/gists{/gist_id}","starred_url":"https://api.github.com/users/dleutnant/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dleutnant/subscriptions","organizations_url":"https://api.github.com/users/dleutnant/orgs","repos_url":"https://api.github.com/users/dleutnant/repos","events_url":"https://api.github.com/users/dleutnant/events{/privacy}","received_events_url":"https://api.github.com/users/dleutnant/received_events","type":"User","site_admin":false},"created_at":"2018-03-24T00:12:59Z","updated_at":"2018-03-24T00:12:59Z","author_association":"NONE","body":"Hope this helps  a bit more:\r\n\r\nDominiks-MBP:~ dominik$ lldb -w -n rsession\r\n(lldb) process attach --name \"rsession\" --waitfor\r\nlibR.dylib was compiled with optimization - stepping may behave oddly; variables may not be available.\r\nProcess 2731 stopped\r\n* thread #1, queue = 'com.apple.main-thread', stop reason = signal SIGSTOP\r\n    frame #0: 0x000000010127b876 libR.dylib`GetNewPage(node_class=<unavailable>) at memory.c:894 [opt]\r\nTarget 0: (rsession) stopped.\r\n\r\nExecutable module set to \"/Applications/RStudio.app/Contents/MacOS/rsession\".\r\nArchitecture set to: x86_64h-apple-macosx."}}
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