{"action":"closed","issue":{"url":"https://api.github.com/repos/aspnet/EntityFramework/issues/4047","labels_url":"https://api.github.com/repos/aspnet/EntityFramework/issues/4047/labels{/name}","comments_url":"https://api.github.com/repos/aspnet/EntityFramework/issues/4047/comments","events_url":"https://api.github.com/repos/aspnet/EntityFramework/issues/4047/events","html_url":"https://github.com/aspnet/EntityFramework/issues/4047","id":121664477,"number":4047,"title":"The Type \"IEnumerable<>\" is defined in an unreferenced assembly","user":{"login":"SharpNoiZy","id":124893,"avatar_url":"https://avatars.githubusercontent.com/u/124893?v=3","gravatar_id":"","url":"https://api.github.com/users/SharpNoiZy","html_url":"https://github.com/SharpNoiZy","followers_url":"https://api.github.com/users/SharpNoiZy/followers","following_url":"https://api.github.com/users/SharpNoiZy/following{/other_user}","gists_url":"https://api.github.com/users/SharpNoiZy/gists{/gist_id}","starred_url":"https://api.github.com/users/SharpNoiZy/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/SharpNoiZy/subscriptions","organizations_url":"https://api.github.com/users/SharpNoiZy/orgs","repos_url":"https://api.github.com/users/SharpNoiZy/repos","events_url":"https://api.github.com/users/SharpNoiZy/events{/privacy}","received_events_url":"https://api.github.com/users/SharpNoiZy/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":7,"created_at":"2015-12-11T08:51:09Z","updated_at":"2015-12-28T19:14:23Z","closed_at":"2015-12-28T19:14:23Z","body":"Hi,\r\n\r\nI added EntityFramework.Core to an RC1 lib project.\r\nAnd as soon I do this, I can't compile the project anymore because the second line of code is underlined:\r\n```\r\nList<string> test = new List<string>(); \r\ntest.Where(x => x == \"\");\r\n```\r\n\r\nWith the message:\r\n```\r\nError   CS0012  The Type \"IEnumerable<>\" is defined in an unreferenced assembly. Add an reference on the Assembly \"System.Runtime, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a\".\r\n```\r\n\r\nAs soon as I remove the EF reference, code is perfectly compilable.\r\n\r\nAny ideas?\r\n\r\nKind regards"}}