{"action":"closed","issue":{"url":"https://api.github.com/repos/gorhill/uMatrix/issues/80","labels_url":"https://api.github.com/repos/gorhill/uMatrix/issues/80/labels{/name}","comments_url":"https://api.github.com/repos/gorhill/uMatrix/issues/80/comments","events_url":"https://api.github.com/repos/gorhill/uMatrix/issues/80/events","html_url":"https://github.com/gorhill/uMatrix/issues/80","id":51773968,"number":80,"title":"\"Error in event handler for (unknown): TypeError: Cannot read property 'id' of undefined\"","user":{"login":"requiredregistration","id":6291226,"avatar_url":"https://avatars.githubusercontent.com/u/6291226?v=3","gravatar_id":"","url":"https://api.github.com/users/requiredregistration","html_url":"https://github.com/requiredregistration","followers_url":"https://api.github.com/users/requiredregistration/followers","following_url":"https://api.github.com/users/requiredregistration/following{/other_user}","gists_url":"https://api.github.com/users/requiredregistration/gists{/gist_id}","starred_url":"https://api.github.com/users/requiredregistration/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/requiredregistration/subscriptions","organizations_url":"https://api.github.com/users/requiredregistration/orgs","repos_url":"https://api.github.com/users/requiredregistration/repos","events_url":"https://api.github.com/users/requiredregistration/events{/privacy}","received_events_url":"https://api.github.com/users/requiredregistration/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2014-12-12T06:13:40Z","updated_at":"2015-05-07T16:22:49Z","closed_at":"2015-05-07T16:22:49Z","body":"the title was shown in chrome://extensions/, and the rest after clicking to see more error information.\r\n\r\n\r\nContext: background.html\r\n\r\n```\r\nStack Trace:\r\n\r\njs/messaging-handlers.js:292 (contentScriptSummaryHandler)\r\n\r\nvar pageURL = µm.pageUrlFromTabId(sender.tab.id);\r\n-\r\njs/messaging-handlers.js:375 (onMessage)\r\n\r\ncontentScriptSummaryHandler(request, sender);\r\n-\r\njs/messaging.js:122 (µMatrix.messaging.onMessage)\r\n\r\nlistener(request.msg, port.sender, nullFunc);\r\n```\r\nit happened only once so far"}}