{"action":"opened","issue":{"url":"https://api.github.com/repos/artf/grapesjs-mjml/issues/15","repository_url":"https://api.github.com/repos/artf/grapesjs-mjml","labels_url":"https://api.github.com/repos/artf/grapesjs-mjml/issues/15/labels{/name}","comments_url":"https://api.github.com/repos/artf/grapesjs-mjml/issues/15/comments","events_url":"https://api.github.com/repos/artf/grapesjs-mjml/issues/15/events","html_url":"https://github.com/artf/grapesjs-mjml/issues/15","id":263853539,"number":15,"title":"How to destroy grapesjs.init({ }) method ?","user":{"login":"kavikaran","id":27732367,"avatar_url":"https://avatars1.githubusercontent.com/u/27732367?v=4","gravatar_id":"","url":"https://api.github.com/users/kavikaran","html_url":"https://github.com/kavikaran","followers_url":"https://api.github.com/users/kavikaran/followers","following_url":"https://api.github.com/users/kavikaran/following{/other_user}","gists_url":"https://api.github.com/users/kavikaran/gists{/gist_id}","starred_url":"https://api.github.com/users/kavikaran/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/kavikaran/subscriptions","organizations_url":"https://api.github.com/users/kavikaran/orgs","repos_url":"https://api.github.com/users/kavikaran/repos","events_url":"https://api.github.com/users/kavikaran/events{/privacy}","received_events_url":"https://api.github.com/users/kavikaran/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2017-10-09T10:50:21Z","updated_at":"2017-10-09T10:50:21Z","closed_at":null,"author_association":"NONE","body":"while loading my grapes-mjml component second time it gives backbone.undomanager error\r\n\r\n```\r\nBackbone.UndoManager is not a constructor\r\n    at N.d.initUndoManager (grapes.min.js:17)\r\n    at Object.onLoad (grapes.min.js:15)\r\n    at grapes.min.js:17\r\n    at Array.forEach (<anonymous>)\r\n    at N.d.initialize (grapes.min.js:17)\r\n    at N.d.b.Model (grapes.min.js:2)\r\n    at new N.d (grapes.min.js:3)\r\n    at new b (grapes.min.js:17)\r\n    at Object.init (grapes.min.js:17)\r\n    at VueComponent.mounted (Hello.vue?de18:14)\r\n```\r\n\r\nSo,\r\nHow to destroy grapesjs.init({ })  ??"}}
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