Hi,
I'm getting an error when opening theme in Sencha Themer v1.3.6.157. Is this known issue?


Code:
TypeError: Cannot set property 'generated' of undefined    
    at Theme._ensureSaveConfig (C:\dev\Sencha\Themer\resources\app.asar\themer\lib\Theme.js:251:34)
    at Theme.migrate (C:\dev\Sencha\Themer\resources\app.asar\themer\lib\Theme.js:98:14)
    at Promise (C:\dev\Sencha\Themer\resources\app.asar\themer\lib\ThemeUtil.js:280:19)
    at ThemeUtil.openTheme (C:\dev\Sencha\Themer\resources\app.asar\themer\lib\ThemeUtil.js:274:16)
    at callFunction (C:\dev\Sencha\Themer\resources\electron.asar\browser\rpc-server.js:251:18)
    at EventEmitter. (C:\dev\Sencha\Themer\resources\electron.asar\browser\rpc-server.js:366:5)
    at emitMany (events.js:127:13)
    at EventEmitter.emit (events.js:201:7)
    at WebContents. (C:\dev\Sencha\Themer\resources\electron.asar\browser\api\web-contents.js:249:37)
    at emitTwo (events.js:106:13)