Uncaught TypeError: Cannot read property 'isEqual' of undefined

[scorsi]

1. Go to the package settings
2. Click on "Typewritter"

Atom: 1.27.2 x64
Electron: 1.7.15
OS: Mac OS X 10.13.5
Thrown From: Zen package 0.18.0

Stack Trace

Uncaught TypeError: Cannot read property 'isEqual' of undefined

At /Applications/Atom.app/Contents/Resources/app/src/text-editor-registry.js:261

TypeError: Cannot read property 'isEqual' of undefined
    at editorsWithMaintainedConfig.forEach (/Applications/Atom.app/Contents/Resources/app/src/text-editor-registry.js:261:56)
    at Set.forEach (native)
    at subscriptions.add.config.onDidChange (/Applications/Atom.app/Contents/Resources/app/src/text-editor-registry.js:260:52)
    at emitter.on (/Applications/Atom.app/Contents/Resources/app/src/config.js:1290:15)
    at Function.module.exports.Emitter.simpleDispatch (/Applications/Atom.app/Contents/Resources/app/node_modules/event-kit/lib/emitter.js:25:20)
    at Emitter.module.exports.Emitter.emit (/Applications/Atom.app/Contents/Resources/app/node_modules/event-kit/lib/emitter.js:141:34)
    at Config.emitChangeEvent (/Applications/Atom.app/Contents/Resources/app/src/config.js:1226:62)
    at Config.setRawValue (/Applications/Atom.app/Contents/Resources/app/src/config.js:1052:23)
    at Config.set (/Applications/Atom.app/Contents/Resources/app/src/config.js:715:18)
    at Object.toggle (/packages/Zen/lib/zen.coffee:118:23)
    at /packages/Zen/lib/zen.coffee:53:59)
    at CommandRegistry.handleCommandEvent (/Applications/Atom.app/Contents/Resources/app/src/command-registry.js:384:49)
    at KeymapManager.module.exports.KeymapManager.dispatchCommandEvent (/Applications/Atom.app/Contents/Resources/app/node_modules/atom-keymap/lib/keymap-manager.js:621:22)
    at KeymapManager.module.exports.KeymapManager.handleKeyboardEvent (/Applications/Atom.app/Contents/Resources/app/node_modules/atom-keymap/lib/keymap-manager.js:412:28)
    at WindowEventHandler.handleDocumentKeyEvent (/Applications/Atom.app/Contents/Resources/app/src/window-event-handler.js:110:40)

Commands

     -2:26.3.0 datatip:toggle (input.hidden-input)
     -2:25.9.0 atom-beautify:beautify-editor (input.hidden-input)
     -2:25.6.0 datatip:toggle (input.hidden-input)
     -2:23.8.0 core:undo (input.hidden-input)
     -1:29 core:confirm (input.hidden-input)
     -0:39.5.0 zen:toggle (input.hidden-input)
     -0:39.5.0 tree-view:toggle (atom-workspace.workspace.scrollbars-visible-when-scrolling.theme-zenburn.theme-native-ui.teletype-Authenticated)
     -0:39.5.0 minimap:toggle (atom-workspace.workspace.scrollbars-visible-when-scrolling.theme-zenburn.theme-native-ui.teletype-Authenticated)
     -0:35.7.0 zen:toggle (input.hidden-input)
     -0:35.7.0 tree-view:show (atom-workspace.workspace.scrollbars-visible-when-scrolling.theme-zenburn.theme-native-ui.teletype-Authenticated)
     -0:35.7.0 minimap:toggle (atom-workspace.workspace.scrollbars-visible-when-scrolling.theme-zenburn.theme-native-ui.teletype-Authenticated)
     -0:30.6.0 zen:toggle (input.hidden-input)
     -0:30.6.0 tree-view:toggle (atom-workspace.workspace.scrollbars-visible-when-scrolling.theme-zenburn.theme-native-ui.teletype-Authenticated)
     -0:24.1.0 zen:toggle (input.hidden-input)
     -0:24.1.0 tree-view:show (atom-workspace.workspace.scrollbars-visible-when-scrolling.theme-zenburn.theme-native-ui.teletype-Authenticated)
  2x -0:14.2.0 zen:toggle (input.hidden-input)

Non-Core Packages

advanced-open-file 0.16.8 
atom-beautify 0.32.5 
atom-bracket-highlight 0.3.2 
atom-clock 0.1.16 
atom-elixir 0.2.3 
atom-ide-ui 0.12.0 
autocomplete 0.47.0 
autocomplete-python 1.10.5 
battery-status 0.11.7 
busy-signal 1.4.3 
custom-title 1.0.1 
fancy-bracket-matcher 2.1.0 
file-icons 2.1.21 
file-types 0.5.5 
highlight-selected 0.13.1 
Hydrogen 2.5.0 
ide-json 0.2.1 
ide-python 1.0.0 
ide-ruby 0.1.10 
ide-rust 0.17.0 
ide-scala 0.7.0 
ide-typescript 0.7.6 
ide-yaml 0.4.3 
language-cassandra-cql 0.1.2 
language-docker 1.1.8 
language-elixir 0.22.0 
language-groovy 0.7.0 
language-rust 0.4.12 
language-scala 1.1.9 
language-terraform 0.8.1 
linter 2.2.0 
linter-write-good 0.9.0 
merge-conflicts 1.4.5 
minimap 4.29.8 
minimap-bookmarks 0.4.2 
minimap-cursorline 0.2.0 
minimap-find-and-replace 4.5.2 
minimap-git-diff 4.3.1 
minimap-highlight-selected 4.6.1 
minimap-selection 4.5.0 
native-ui 0.26.2 
ruby-block 0.3.6 
script 3.18.1 
split-diff 1.5.2 
tasks 2.10.1 
teletype 0.13.3 
todo-show 2.3.0 
toggle-quotes 1.1.0 
tool-bar 1.1.7 
tool-bar-atom 1.7.0 
travis-ci-status 1.3.1 
Zen 0.18.0 
zenburn 3.1.0