{"action":"closed","issue":{"url":"https://api.github.com/repos/Microsoft/PTVS/issues/739","labels_url":"https://api.github.com/repos/Microsoft/PTVS/issues/739/labels{/name}","comments_url":"https://api.github.com/repos/Microsoft/PTVS/issues/739/comments","events_url":"https://api.github.com/repos/Microsoft/PTVS/issues/739/events","html_url":"https://github.com/Microsoft/PTVS/issues/739","id":100691152,"number":739,"title":"NullReferenceException in ReverseExpressionParser.GetExpressionRange","user":{"login":"aewhatley","id":11060902,"avatar_url":"https://avatars.githubusercontent.com/u/11060902?v=3","gravatar_id":"","url":"https://api.github.com/users/aewhatley","html_url":"https://github.com/aewhatley","followers_url":"https://api.github.com/users/aewhatley/followers","following_url":"https://api.github.com/users/aewhatley/following{/other_user}","gists_url":"https://api.github.com/users/aewhatley/gists{/gist_id}","starred_url":"https://api.github.com/users/aewhatley/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/aewhatley/subscriptions","organizations_url":"https://api.github.com/users/aewhatley/orgs","repos_url":"https://api.github.com/users/aewhatley/repos","events_url":"https://api.github.com/users/aewhatley/events{/privacy}","received_events_url":"https://api.github.com/users/aewhatley/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/Microsoft/PTVS/labels/bug","name":"bug","color":"fc2929"},{"url":"https://api.github.com/repos/Microsoft/PTVS/labels/IntelliSense","name":"IntelliSense","color":"fef2c0"}],"state":"closed","locked":false,"assignee":{"login":"zooba","id":1693688,"avatar_url":"https://avatars.githubusercontent.com/u/1693688?v=3","gravatar_id":"","url":"https://api.github.com/users/zooba","html_url":"https://github.com/zooba","followers_url":"https://api.github.com/users/zooba/followers","following_url":"https://api.github.com/users/zooba/following{/other_user}","gists_url":"https://api.github.com/users/zooba/gists{/gist_id}","starred_url":"https://api.github.com/users/zooba/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/zooba/subscriptions","organizations_url":"https://api.github.com/users/zooba/orgs","repos_url":"https://api.github.com/users/zooba/repos","events_url":"https://api.github.com/users/zooba/events{/privacy}","received_events_url":"https://api.github.com/users/zooba/received_events","type":"User","site_admin":false},"milestone":null,"comments":3,"created_at":"2015-08-13T05:07:22Z","updated_at":"2015-08-14T16:40:08Z","closed_at":"2015-08-14T16:40:08Z","body":"When I hover my cursor over a particular function call, it gives me an error message \"An exception has occurred. This may be caused by an extension.\" The problem is, I have no extensions currently installed, and PTVS in both VS 2013 and 2015 give me this error. Here is the attached screenshot:\r\n![image](https://cloud.githubusercontent.com/assets/11060902/9242956/2479ed98-414f-11e5-9e7f-8a8b861910a5.png)\r\n\r\nI get the error message while hovering over the line that reads : \"reduceFn = ReduceFn(dbinfo=dbinfo, **dbopts)\""}}