Uncaught TypeError: Cannot read property 'on' of undefined

[aponski]

[Enter steps to reproduce below:]

1. ...
2. ...

Atom Version: 0.196.0
System: Mac OS X 10.10.3
Thrown From: ide-flow package, v0.6.0

Stack Trace

Uncaught TypeError: Cannot read property 'on' of undefined

At /Applications/Atom.app/Contents/Resources/app.asar/src/pane.js:759

TypeError: Cannot read property 'on' of undefined
  at run (/Users/arkadiuszponski/.atom/packages/ide-flow/lib/util-flow-command.coffee:40:26)
  at Object.module.exports.startServer (/Users/arkadiuszponski/.atom/packages/ide-flow/lib/util-flow-command.coffee:59:15)
  at Object.module.exports.check (/Users/arkadiuszponski/.atom/packages/ide-flow/lib/util-flow-command.coffee:68:45)
  at PluginManager.check (/Users/arkadiuszponski/.atom/packages/ide-flow/lib/plugin-manager.coffee:42:21)
  at atom-workspace.<anonymous> (/Users/arkadiuszponski/.atom/packages/ide-flow/lib/ide-flow.coffee:12:24)
  at CommandRegistry.module.exports.CommandRegistry.handleCommandEvent (/Applications/Atom.app/Contents/Resources/app.asar/src/command-registry.js:238:29)
  at CommandRegistry.handleCommandEvent (/Applications/Atom.app/Contents/Resources/app.asar/src/command-registry.js:3:61)
  at CommandRegistry.module.exports.CommandRegistry.dispatch (/Applications/Atom.app/Contents/Resources/app.asar/src/command-registry.js:153:19)
  at /Users/arkadiuszponski/.atom/packages/ide-flow/lib/editor-control.coffee:31:23
  at Emitter.module.exports.Emitter.emit (/Applications/Atom.app/Contents/Resources/app.asar/node_modules/event-kit/lib/emitter.js:82:11)
  at TextBuffer.module.exports.TextBuffer.saveAs (/Applications/Atom.app/Contents/Resources/app.asar/node_modules/text-buffer/lib/text-buffer.js:917:20)
  at TextBuffer.module.exports.TextBuffer.save (/Applications/Atom.app/Contents/Resources/app.asar/node_modules/text-buffer/lib/text-buffer.js:899:19)
  at TextEditor.module.exports.TextEditor.save (/Applications/Atom.app/Contents/Resources/app.asar/src/text-editor.js:592:26)
  at Pane.module.exports.Pane.saveItem (/Applications/Atom.app/Contents/Resources/app.asar/src/pane.js:523:18)
  at Pane.module.exports.Pane.saveActiveItem (/Applications/Atom.app/Contents/Resources/app.asar/src/pane.js:506:19)
  at Workspace.module.exports.Workspace.saveActivePaneItem (/Applications/Atom.app/Contents/Resources/app.asar/src/workspace.js:585:35)
  at atom-workspace.atom.commands.add.core:save (/Applications/Atom.app/Contents/Resources/app.asar/src/workspace-element.js:310:30)
  at CommandRegistry.module.exports.CommandRegistry.handleCommandEvent (/Applications/Atom.app/Contents/Resources/app.asar/src/command-registry.js:238:29)
  at /Applications/Atom.app/Contents/Resources/app.asar/src/command-registry.js:3:61
  at KeymapManager.module.exports.KeymapManager.dispatchCommandEvent (/Applications/Atom.app/Contents/Resources/app.asar/node_modules/atom-keymap/lib/keymap-manager.js:519:16)
  at KeymapManager.module.exports.KeymapManager.handleKeyboardEvent (/Applications/Atom.app/Contents/Resources/app.asar/node_modules/atom-keymap/lib/keymap-manager.js:354:22)
  at HTMLDocument.module.exports.WindowEventHandler.onKeydown (/Applications/Atom.app/Contents/Resources/app.asar/src/window-event-handler.js:178:20)

Commands

  2x -3:11 tree-view:reveal-active-file (atom-workspace.workspace.scrollbars-visible-when-scrolling.theme-base16-tomorrow-dark-theme.theme-seti-ui)
     -2:17.4.0 core:save (atom-text-editor.editor.is-focused)
  2x -2:12.7.0 core:backspace (atom-text-editor.editor.is-focused)
     -1:51.7.0 tree-view:reveal-active-file (atom-workspace.workspace.scrollbars-visible-when-scrolling.theme-base16-tomorrow-dark-theme.theme-seti-ui)
     -0:56.7.0 ide-flow:check (atom-workspace.workspace.scrollbars-visible-when-scrolling.theme-base16-tomorrow-dark-theme.theme-seti-ui)
     -0:11.3.0 tree-view:reveal-active-file (atom-workspace.workspace.scrollbars-visible-when-scrolling.theme-base16-tomorrow-dark-theme.theme-seti-ui)
     -0:08.5.0 core:save (atom-text-editor.editor.is-focused)
     -0:08.4.0 ide-flow:check (atom-workspace.workspace.scrollbars-visible-when-scrolling.theme-base16-tomorrow-dark-theme.theme-seti-ui)

Config

{
  "core": {
    "disabledPackages": [
      "linter",
      "todo-list",
      "atom-beautify",
      "php-cs-fixer"
    ],
    "themes": [
      "seti-ui",
      "base16-tomorrow-dark-theme"
    ]
  },
  "ide-flow": {}
}

Installed Packages

# User
autocomplete-plus, v2.12.1
emmet, v2.3.8
ide-flow, v0.6.0
lesscompile, v0.5.0
linter-flow, v0.1.4
linter-jsxhint, v0.1.1
react, v0.11.8
seti-ui, v0.7.1
synced-sidebar, v0.2.3

# Dev
No dev packages