{"action":"opened","issue":{"url":"https://api.github.com/repos/AutoMapper/AutoMapper/issues/733","labels_url":"https://api.github.com/repos/AutoMapper/AutoMapper/issues/733/labels{/name}","comments_url":"https://api.github.com/repos/AutoMapper/AutoMapper/issues/733/comments","events_url":"https://api.github.com/repos/AutoMapper/AutoMapper/issues/733/events","html_url":"https://github.com/AutoMapper/AutoMapper/issues/733","id":86980307,"number":733,"title":"Better error message when cannot find property","user":{"login":"JakeGinnivan","id":453152,"avatar_url":"https://avatars.githubusercontent.com/u/453152?v=3","gravatar_id":"","url":"https://api.github.com/users/JakeGinnivan","html_url":"https://github.com/JakeGinnivan","followers_url":"https://api.github.com/users/JakeGinnivan/followers","following_url":"https://api.github.com/users/JakeGinnivan/following{/other_user}","gists_url":"https://api.github.com/users/JakeGinnivan/gists{/gist_id}","starred_url":"https://api.github.com/users/JakeGinnivan/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/JakeGinnivan/subscriptions","organizations_url":"https://api.github.com/users/JakeGinnivan/orgs","repos_url":"https://api.github.com/users/JakeGinnivan/repos","events_url":"https://api.github.com/users/JakeGinnivan/events{/privacy}","received_events_url":"https://api.github.com/users/JakeGinnivan/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-06-10T13:57:43Z","updated_at":"2015-06-10T13:57:43Z","closed_at":null,"body":"I am mapping to a type which has properties with no getters, so I have to use strings to specify the property names.\r\n\r\n`.MapFrom(\"Foo\", ...);`\r\n\r\nWhen `Foo` doesn't exist there is a null reference exception, it would be great to catch this and wrap it so I know which property no longer exists."}}