{"action":"opened","issue":{"url":"https://api.github.com/repos/opensim-org/opensim-gui/issues/849","repository_url":"https://api.github.com/repos/opensim-org/opensim-gui","labels_url":"https://api.github.com/repos/opensim-org/opensim-gui/issues/849/labels{/name}","comments_url":"https://api.github.com/repos/opensim-org/opensim-gui/issues/849/comments","events_url":"https://api.github.com/repos/opensim-org/opensim-gui/issues/849/events","html_url":"https://github.com/opensim-org/opensim-gui/issues/849","id":332097426,"node_id":"MDU6SXNzdWUzMzIwOTc0MjY=","number":849,"title":"Canceling CustomJoint TransformAxis viewing/editing throws ","user":{"login":"aseth1","id":6494122,"node_id":"MDQ6VXNlcjY0OTQxMjI=","avatar_url":"https://avatars0.githubusercontent.com/u/6494122?v=4","gravatar_id":"","url":"https://api.github.com/users/aseth1","html_url":"https://github.com/aseth1","followers_url":"https://api.github.com/users/aseth1/followers","following_url":"https://api.github.com/users/aseth1/following{/other_user}","gists_url":"https://api.github.com/users/aseth1/gists{/gist_id}","starred_url":"https://api.github.com/users/aseth1/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/aseth1/subscriptions","organizations_url":"https://api.github.com/users/aseth1/orgs","repos_url":"https://api.github.com/users/aseth1/repos","events_url":"https://api.github.com/users/aseth1/events{/privacy}","received_events_url":"https://api.github.com/users/aseth1/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-06-13T17:46:45Z","updated_at":"2018-06-13T17:46:45Z","closed_at":null,"author_association":"MEMBER","body":"### Steps to reproduce\r\n1. load arm26.osim\r\n2. navigate to Joints/r_shoulder and expand\r\n3. select rotation2 and expand *coordinates* list for the TransformAxis\r\n4. click *Cancel*\r\n\r\n### Expected result\r\nCan cancel viewing without consequences since nothing was done. Clicking *OK* seems to do that.\r\n\r\n### Actual result\r\nWe get the following error:\r\n<img width=\"1132\" alt=\"screen shot 2018-06-13 at 10 44 13 am\" src=\"https://user-images.githubusercontent.com/6494122/41368429-c75d85b0-6ef6-11e8-835c-2da9577a8a90.png\">\r\n\r\n### Environment and GUI version\r\nBoth Windows and Mac OpenSim 1e476f2-2018-06-13"}}
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