Uncaught TypeError: Cannot read property 'getTime' of undefined

[Oceans6]

[Enter steps to reproduce below:]

1. ...
2. ...

Atom Version: 2.2.1
Electron Version: 1.3.6
System: Mac OS X 10.9.5
Thrown From: learn-ide-tree package, v1.0.17

Stack Trace

Uncaught TypeError: Cannot read property 'getTime' of undefined

At /Applications/Learn IDE 2.app/Contents/Resources/app.asar/node_modules/learn-ide-tree/lib/tree-view.js:601

TypeError: Cannot read property 'getTime' of undefined
    at TreeView.<anonymous> (/Applications/Learn IDE 2.app/Contents/Resources/app.asar/node_modules/learn-ide-tree/lib/tree-view.js:601:36)
    at TreeView.module.exports.TreeView.updateRoots (/Applications/Learn IDE 2.app/Contents/Resources/app.asar/node_modules/learn-ide-tree/lib/tree-view.js:621:10)
    at /Applications/Learn IDE 2.app/Contents/Resources/app.asar/node_modules/learn-ide-tree/lib/tree-view.js:369:24
    at Function.module.exports.Emitter.simpleDispatch (/Applications/Learn IDE 2.app/Contents/Resources/app.asar/node_modules/event-kit/lib/emitter.js:25:14)
    at Emitter.module.exports.Emitter.emit (/Applications/Learn IDE 2.app/Contents/Resources/app.asar/node_modules/event-kit/lib/emitter.js:129:28)
    at Project.module.exports.Project.addPath (/Applications/Learn IDE 2.app/Contents/Resources/app.asar/src/project.js:270:29)
    at Object.updateProject (/Applications/Learn IDE 2.app/Contents/Resources/app.asar/node_modules/learn-ide-tree/lib/nsync/atom-helper.js:76:20)
    at /Applications/Learn IDE 2.app/Contents/Resources/app.asar/node_modules/learn-ide-tree/lib/nsync/initializer.js:182:27
    at Emitter.module.exports.Emitter.emit (/Applications/Learn IDE 2.app/Contents/Resources/app.asar/node_modules/nsync-fs/node_modules/event-kit/lib/emitter.js:82:11)
    at Nsync.setPrimaryNode (/Applications/Learn IDE 2.app/Contents/Resources/app.asar/node_modules/nsync-fs/lib/nsync-fs.js:110:25)
    at init (/Applications/Learn IDE 2.app/Contents/Resources/app.asar/node_modules/nsync-fs/lib/onmessage-strategies/init.js:6:9)
    at onmessage (/Applications/Learn IDE 2.app/Contents/Resources/app.asar/node_modules/nsync-fs/lib/onmessage.js:47:12)
    at PageBus.<anonymous> (/Applications/Learn IDE 2.app/Contents/Resources/app.asar/node_modules/nsync-fs/lib/connection.js:23:16)
    at emitOne (events.js:96:13)
    at PageBus.emit (events.js:188:7)
    at /Applications/Learn IDE 2.app/Contents/Resources/app.asar/node_modules/page-bus/index.js:21:44

Commands

Config

{
  "core": {
    "useCustomTitleBar": true
  },
  "learn-ide-tree": {}
}

Installed Packages

# User
atom-dark-syntax, v0.27.0 (inactive)
atom-dark-ui, v0.52.0 (inactive)
atom-light-syntax, v0.28.0 (inactive)
atom-light-ui, v0.45.0 (inactive)
base16-tomorrow-dark-theme, v1.3.0 (inactive)
base16-tomorrow-light-theme, v1.3.0 (inactive)
one-dark-ui, v1.6.2 (active)
one-light-ui, v1.6.2 (inactive)
one-dark-syntax, v1.5.0 (active)
one-light-syntax, v1.5.0 (inactive)
solarized-dark-syntax, v1.0.5 (inactive)
solarized-light-syntax, v1.0.5 (inactive)
about, v1.7.0 (active)
archive-view, v0.62.0 (active)
autocomplete-atom-api, v0.10.0 (active)
autocomplete-css, v0.13.1 (active)
autocomplete-html, v0.7.2 (active)
autocomplete-plus, v2.31.4 (active)
autocomplete-snippets, v1.11.0 (active)
autoflow, v0.27.0 (inactive)
autosave, v0.23.1 (active)
background-tips, v0.26.1 (active)
bookmarks, v0.42.0 (active)
bracket-matcher, v0.82.2 (active)
command-palette, v0.39.0 (inactive)
deprecation-cop, v0.54.1 (active)
dev-live-reload, v0.47.0 (active)
encoding-selector, v0.22.0 (active)
exception-reporting, v0.40.0 (active)
find-and-replace, v0.202.2 (inactive)
fuzzy-finder, v1.4.0 (active)
git-diff, v1.1.0 (active)
go-to-line, v0.31.0 (inactive)
grammar-selector, v0.48.2 (active)
image-view, v0.60.0 (active)
incompatible-packages, v0.26.1 (active)
keybinding-resolver, v0.35.0 (active)
line-ending-selector, v0.5.0 (active)
link, v0.31.2 (inactive)
markdown-preview, v0.158.8 (active)
metrics, v1.1.1 (active)
notifications, v0.65.1 (active)
open-on-github, v1.2.1 (inactive)
package-generator, v1.0.1 (inactive)
settings-view, v0.243.1 (active)
snippets, v1.0.4 (active)
spell-check, v0.68.4 (active)
status-bar, v1.4.1 (active)
styleguide, v0.47.2 (active)
symbols-view, v0.113.1 (inactive)
tabs, v0.103.0 (active)
timecop, v0.33.2 (active)
update-package-dependencies, v0.10.0 (active)
whitespace, v0.35.0 (active)
wrap-guide, v0.38.2 (active)
language-c, v0.54.0 (active)
language-clojure, v0.22.1 (active)
language-coffee-script, v0.48.0 (active)
language-csharp, v0.12.1 (active)
language-css, v0.40.1 (active)
language-gfm, v0.88.0 (active)
language-git, v0.15.0 (active)
language-go, v0.43.0 (active)
language-html, v0.46.1 (active)
language-hyperlink, v0.16.1 (active)
language-java, v0.24.0 (active)
language-javascript, v0.122.0 (active)
language-json, v0.18.3 (active)
language-less, v0.29.6 (active)
language-make, v0.22.2 (active)
language-mustache, v0.13.0 (active)
language-objective-c, v0.15.1 (active)
language-perl, v0.37.0 (active)
language-php, v0.37.3 (active)
language-property-list, v0.8.0 (active)
language-python, v0.45.1 (active)
language-ruby, v0.70.2 (active)
language-ruby-on-rails, v0.25.1 (active)
language-sass, v0.57.0 (active)
language-shellscript, v0.23.0 (active)
language-source, v0.9.0 (active)
language-sql, v0.25.0 (active)
language-text, v0.7.1 (active)
language-todo, v0.29.1 (active)
language-toml, v0.18.1 (active)
language-xml, v0.34.12 (active)
language-yaml, v0.27.1 (active)
learn-ide, v2.2.1 (active)
learn-ide-tree, v1.0.17 (active)

# Dev
No dev packages