Uncaught TypeError: Path must be a string. Received undefined

[Frizi]

[Enter steps to reproduce below:]

1. open a new unsaved file (Ctrl+N)

Atom Version: 1.9.8
System: "Arch Linux"
Thrown From: ide-flow package, v0.8.0

Stack Trace

Uncaught TypeError: Path must be a string. Received undefined

At path.js:7

TypeError: Path must be a string. Received undefined
    at assertPath (path.js:7:11)
    at Object.extname (path.js:1433:5)
    at isFlowSource (/home/frizi/.atom/packages/ide-flow/lib/utils.coffee:7:11)
    at EditorControl.showExpressionType (/home/frizi/.atom/packages/ide-flow/lib/editor-control.coffee:71:19)
    at /home/frizi/.atom/packages/ide-flow/lib/editor-control.coffee:37:10

Commands

  2x -0:10.8.0 pane:show-next-recently-used-item (div.panels-item)
     -0:09.9.0 fuzzy-finder:toggle-file-finder (div.panels-item)
     -0:09.0 editor:consolidate-selections (atom-text-editor.editor.mini.is-focused)
     -0:09.0 core:cancel (atom-text-editor.editor.mini.is-focused)
     -0:08.4.0 application:new-file (div.panels-item)
     -0:08.4.0 ide-flow:check (atom-workspace.workspace.scrollbars-visible-always.use-animations.theme-atom-material-syntax.theme-atom-material-ui)
  3x -0:08.0 pane:show-next-recently-used-item (atom-text-editor.editor.is-focused)
     -0:07.0 pane:move-active-item-to-top-of-stack (div.panels-item)
  4x -0:06.3.0 pane:show-next-recently-used-item (atom-text-editor.editor.mini.is-focused)
     -0:04.8.0 pane:move-active-item-to-top-of-stack (atom-text-editor.editor.mini.is-focused)
     -0:04.2.0 pane:show-next-recently-used-item (atom-text-editor.editor.mini.is-focused)
     -0:03.8.0 pane:move-active-item-to-top-of-stack (atom-text-editor.editor.is-focused)

Config

{
  "core": {
    "autoHideMenuBar": true,
    "disabledPackages": [
      "neon-cursor",
      "bottom-dock",
      "refactor",
      "js-refactor"
    ],
    "themes": [
      "atom-material-ui",
      "atom-material-syntax"
    ]
  },
  "ide-flow": {
    "flowPath": "flow"
  }
}

Installed Packages

# User
atom-material-syntax, v0.4.6 (active)
atom-material-ui, v1.3.3 (active)
atom-ternjs, v0.14.1 (active)
auto-indent, v0.5.0 (active)
color-picker, v2.1.1 (active)
emmet, v2.4.3 (active)
hyperclick, v0.0.36 (active)
ide-flow, v0.8.0 (active)
js-hyperclick, v1.4.2 (active)
jumpy, v3.0.3 (inactive)
language-babel, v2.22.0 (active)
language-javascript-jsx, v0.3.7 (active)
language-openscad, v0.4.3 (active)
language-pegjs, v0.5.0 (active)
linter, v1.11.4 (active)
linter-eslint, v7.2.2 (inactive)
merge-conflicts, v1.4.2 (active)
package-cop, v0.2.10 (active)
sync-settings, v0.7.2 (active)
toggle-quotes, v1.0.0 (inactive)
webbox-color, v0.5.9 (active)
atom-dark-syntax, v0.27.0 (inactive)
atom-dark-ui, v0.51.0 (inactive)
atom-light-syntax, v0.28.0 (inactive)
atom-light-ui, v0.43.0 (inactive)
base16-tomorrow-dark-theme, v1.1.0 (inactive)
base16-tomorrow-light-theme, v1.1.1 (inactive)
one-dark-ui, v1.3.2 (inactive)
one-light-ui, v1.3.2 (inactive)
one-dark-syntax, v1.2.0 (inactive)
one-light-syntax, v1.2.0 (inactive)
solarized-dark-syntax, v1.0.2 (inactive)
solarized-light-syntax, v1.0.2 (inactive)
about, v1.5.2 (active)
archive-view, v0.61.1 (active)
autocomplete-atom-api, v0.10.0 (active)
autocomplete-css, v0.11.1 (active)
autocomplete-html, v0.7.2 (active)
autocomplete-plus, v2.31.0 (active)
autocomplete-snippets, v1.11.0 (active)
autoflow, v0.27.0 (inactive)
autosave, v0.23.1 (active)
background-tips, v0.26.0 (active)
bookmarks, v0.41.0 (active)
bracket-matcher, v0.82.1 (active)
command-palette, v0.38.0 (inactive)
deprecation-cop, v0.54.1 (active)
dev-live-reload, v0.47.0 (active)
encoding-selector, v0.22.0 (active)
exception-reporting, v0.39.0 (active)
fuzzy-finder, v1.3.0 (active)
git-diff, v1.1.0 (active)
find-and-replace, v0.198.0 (inactive)
go-to-line, v0.31.0 (inactive)
grammar-selector, v0.48.1 (active)
image-view, v0.58.0 (active)
incompatible-packages, v0.26.1 (active)
keybinding-resolver, v0.35.0 (active)
line-ending-selector, v0.5.0 (active)
link, v0.31.1 (inactive)
markdown-preview, v0.158.0 (active)
metrics, v0.53.1 (active)
notifications, v0.64.1 (active)
open-on-github, v1.2.0 (inactive)
package-generator, v1.0.0 (inactive)
settings-view, v0.238.2 (active)
snippets, v1.0.2 (active)
spell-check, v0.67.1 (active)
status-bar, v1.4.1 (active)
styleguide, v0.46.0 (active)
symbols-view, v0.113.0 (inactive)
tabs, v0.98.1 (active)
timecop, v0.33.1 (active)
tree-view, v0.208.0 (active)
update-package-dependencies, v0.10.0 (active)
welcome, v0.34.0 (active)
whitespace, v0.32.2 (active)
wrap-guide, v0.38.1 (active)
language-c, v0.52.1 (active)
language-clojure, v0.21.0 (active)
language-coffee-script, v0.47.0 (active)
language-csharp, v0.12.1 (active)
language-css, v0.36.2 (active)
language-gfm, v0.86.0 (active)
language-git, v0.13.0 (active)
language-go, v0.42.0 (active)
language-html, v0.44.1 (active)
language-hyperlink, v0.16.0 (active)
language-java, v0.22.0 (active)
language-javascript, v0.119.0 (active)
language-json, v0.18.0 (active)
language-less, v0.29.3 (active)
language-make, v0.22.2 (active)
language-mustache, v0.13.0 (active)
language-objective-c, v0.15.1 (active)
language-perl, v0.35.0 (active)
language-php, v0.37.0 (active)
language-property-list, v0.8.0 (active)
language-python, v0.45.0 (active)
language-ruby, v0.68.5 (active)
language-ruby-on-rails, v0.25.0 (active)
language-sass, v0.52.0 (active)
language-shellscript, v0.22.3 (active)
language-source, v0.9.0 (active)
language-sql, v0.21.1 (active)
language-text, v0.7.1 (active)
language-todo, v0.28.0 (active)
language-toml, v0.18.0 (active)
language-xml, v0.34.8 (active)
language-yaml, v0.26.0 (active)

# Dev
No dev packages