Uncaught TypeError: Cannot read property 'timescale' of null

[hisatugu]

[Enter steps to reproduce:]

1. ...
2. ...

Atom: 1.14.4 x64
Electron: 1.3.13
OS: Unknown Windows version
Thrown From: editor-background package 1.2.38

Stack Trace

Uncaught TypeError: Cannot read property 'timescale' of null

At C:\Users\1521038\.atom\packages\editor-background\lib\youtube.coffee:317

TypeError: Cannot read property 'timescale' of null
    at Request._callback (/packages/editor-background/lib/youtube.coffee:317:25)
    at Request.self.callback (/packages/editor-background/node_modules/request/request.js:187:22)
    at emitTwo (events.js:106:13)
    at Request.emit (events.js:191:7)
    at /packages/editor-background/node_modules/request/request.js:1126:10)
    at emitOne (events.js:96:13)
    at Request.emit (events.js:188:7)
    at /packages/editor-background/node_modules/request/request.js:1046:12)
    at IncomingMessage.g (events.js:286:16)
    at emitNone (events.js:91:20)
    at IncomingMessage.emit (events.js:185:7)
    at endReadableNT (_stream_readable.js:974:12)
    at _combinedTickCallback (internal/process/next_tick.js:74:11)
    at process._tickCallback (internal/process/next_tick.js:98:9)

Commands

     -1:37.2.0 core:confirm (input.hidden-input)

Non-Core Packages

editor-background 1.2.38 
japanese-menu 1.9.0