Uncaught TypeError: Cannot read property 'getCursorBufferPosition' of undefined

[snow212-cn]

[Enter steps to reproduce:]

1. ...
2. ...

Atom: 1.18.0 x64 Electron: 1.3.15 OS: Unknown Windows version Thrown From: markdown-folder package 0.5.0

Stack Trace

Uncaught TypeError: Cannot read property 'getCursorBufferPosition' of undefined

At C:\Users\yang\.atom\packages\markdown-folder\lib\markdown-folder.coffee:106

TypeError: Cannot read property 'getCursorBufferPosition' of undefined
    at Object.folderer (/packages/markdown-folder/lib/markdown-folder.coffee:106:24)
    at Object.toggle (/packages/markdown-folder/lib/markdown-folder.coffee:53:6)
    at /packages/markdown-folder/lib/markdown-folder.coffee:26:90)
    at CommandRegistry.module.exports.CommandRegistry.handleCommandEvent (~/AppData/Local/atom/app-1.18.0/resources/app/src/command-registry.js:265:35)
    at CommandRegistry.handleCommandEvent (~/AppData/Local/atom/app-1.18.0/resources/app/src/command-registry.js:3:65)
    at CommandRegistry.module.exports.CommandRegistry.dispatch (~/AppData/Local/atom/app-1.18.0/resources/app/src/command-registry.js:166:25)
    at AtomEnvironment.module.exports.AtomEnvironment.dispatchContextMenuCommand (~/AppData/Local/atom/app-1.18.0/resources/app/src/atom-environment.js:1320:34)
    at EventEmitter.outerCallback (~/AppData/Local/atom/app-1.18.0/resources/app/src/application-delegate.js:347:31)
    at emitThree (events.js:116:13)
    at EventEmitter.emit (events.js:194:7)

Commands

  3x -8:53.7.0 core:page-down (input.hidden-input)
     -8:52.2.0 core:page-up (input.hidden-input)
  4x -8:43.3.0 core:page-down (input.hidden-input)
     -8:04.1.0 core:move-right (input.hidden-input)
     -8:03.8.0 core:move-up (input.hidden-input)
  2x -7:50.4.0 core:backspace (input.hidden-input)
     -7:47.2.0 core:save (input.hidden-input)
     -7:39.7.0 markdown-pdf:convert (input.hidden-input)
     -7:29.3.0 tree-view:reveal-active-file (div.line)
  2x -2:49.1.0 core:move-left (input.hidden-input)
     -2:48.3.0 core:backspace (input.hidden-input)
     -0:15.4.0 markdown-folder:toggle (span.syntax--meta.syntax--paragraph.syntax--text)

Non-Core Packages

atom-mermaid 3.1.0 
simplified-chinese-menu 3.5.0 
language-markdown 0.23.0 
markdown-folder 0.5.0 
markdown-pdf 1.5.4 
markdown-preview-enhanced 0.13.0 
markdown-preview-opener 0.1.1 
markdown-preview-plus 2.4.10 
markdown-preview-plus-opener 0.2.0 
markdown-scroll-sync 2.1.2 
markdown-table-formatter 2.9.0 
markdown-themeable-pdf 1.2.0 
markdown-toc 0.4.2 
markdown-writer 2.6.5 
mathjax-wrapper 0.1.0 
open-in-browser 0.5.2 
open-in-browsers 0.0.30 
selection-highlight 0.1.6 
simplified-chinese-menu 3.5.0 
Sublime-Style-Column-Selection 1.7.4 
tool-bar 1.1.0 
tool-bar-markdown-writer 0.3.0