Uncaught TypeError: Cannot read property 'isVisible' of null

[PrimaryKey3610]

Uncaught TypeError: Cannot read property 'isVisible' of null
/Users/PrimaryKey/.atom/packages/tree-view-finder/lib/tree-view-finder.coffee:105
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TypeError: Cannot read property 'isVisible' of null
at Object.toggle (/Users/PrimaryKey/.atom/packages/tree-view-finder/lib/tree-view-finder.coffee:105:28)
at HTMLElement.subscriptions.add.atom.commands.add.tree-view-finder:toggle (/Users/PrimaryKey/.atom/packages/tree-view-finder/lib/tree-view-finder.coffee:57:91)
at CommandRegistry.module.exports.CommandRegistry.handleCommandEvent (/Applications/Atom.app/Contents/Resources/app/src/command-registry.js:265:35)
at /Applications/Atom.app/Contents/Resources/app/src/command-registry.js:3:65
at KeymapManager.module.exports.KeymapManager.dispatchCommandEvent (/Applications/Atom.app/Contents/Resources/app/node_modules/atom-keymap/lib/keymap-manager.js:610:22)
at KeymapManager.module.exports.KeymapManager.handleKeyboardEvent (/Applications/Atom.app/Contents/Resources/app/node_modules/atom-keymap/lib/keymap-manager.js:401:28)
at WindowEventHandler.module.exports.WindowEventHandler.handleDocumentKeyEvent (/Applications/Atom.app/Contents/Resources/app/src/window-event-handler.js:100:42)
at HTMLDocument. (/Applications/Atom.app/Contents/Resources/app/src/window-event-handler.js:3:65)
The error was thrown from the tree-view-finder package. This issue has already been reported.
View Issue

[SunmChan]

[Enter steps to reproduce:]

1. ...
2. ...

Atom: 1.20.0-beta2 ia32
Electron: 1.6.9
OS: Unknown Windows version
Thrown From: tree-view-finder package 0.2.1

Stack Trace

Uncaught TypeError: Cannot read property 'isVisible' of null

At C:\Users\CHAN\.atom\packages\tree-view-finder\lib\tree-view-finder.coffee:105

TypeError: Cannot read property 'isVisible' of null
    at Object.toggle (/packages/tree-view-finder/lib/tree-view-finder.coffee:105:28)
    at /packages/tree-view-finder/lib/tree-view-finder.coffee:57:91)
    at CommandRegistry.module.exports.CommandRegistry.handleCommandEvent (E:/GoogleDownloads/atom-windows/Atom Beta/resources/app/src/command-registry.js:265:35)
    at CommandRegistry.handleCommandEvent (E:/GoogleDownloads/atom-windows/Atom Beta/resources/app/src/command-registry.js:3:65)
    at CommandRegistry.module.exports.CommandRegistry.dispatch (E:/GoogleDownloads/atom-windows/Atom Beta/resources/app/src/command-registry.js:166:25)
    at AtomEnvironment.module.exports.AtomEnvironment.dispatchApplicationMenuCommand (E:/GoogleDownloads/atom-windows/Atom Beta/resources/app/src/atom-environment.js:1338:34)
    at EventEmitter.outerCallback (E:/GoogleDownloads/atom-windows/Atom Beta/resources/app/src/application-delegate.js:335:31)
    at emitThree (events.js:116:13)
    at EventEmitter.emit (events.js:194:7)

Commands

     -1:02.0 tree-view-finder:toggle (atom-workspace.workspace.scrollbars-visible-always.theme-one-dark-syntax.theme-one-dark-ui)

Non-Core Packages

atomic-chrome 0.3.2 
tree-view-finder 0.2.1 

[zhyd1997]

C:\Users\T-bao.atom\packages\tree-view-finder\lib\tree-view-finder.coffee:105
Hide Stack Trace
TypeError: Cannot read property 'isVisible' of null
at Object.toggle (file:///C:/Users/T-bao/.atom/packages/tree-view-finder/lib/tree-view-finder.coffee:105:28)
at HTMLElement.subscriptions.add.atom.commands.add.tree-view-finder:toggle (file:///C:/Users/T-bao/.atom/packages/tree-view-finder/lib/tree-view-finder.coffee:57:91)
at CommandRegistry.module.exports.CommandRegistry.handleCommandEvent (G:\Atom\atom-x64-windows\Atom x64\resources\app\src\command-registry.js:265:35)
at CommandRegistry.handleCommandEvent (G:\Atom\atom-x64-windows\Atom x64\resources\app\src\command-registry.js:3:65)
at CommandRegistry.module.exports.CommandRegistry.dispatch (G:\Atom\atom-x64-windows\Atom x64\resources\app\src\command-registry.js:166:25)
at AtomEnvironment.module.exports.AtomEnvironment.dispatchApplicationMenuCommand (G:\Atom\atom-x64-windows\Atom x64\resources\app\src\atom-environment.js:1338:34)
at EventEmitter.outerCallback (G:\Atom\atom-x64-windows\Atom x64\resources\app\src\application-delegate.js:334:31)
at emitThree (events.js:116:13)
at EventEmitter.emit (events.js:194:7)