Open ‧ A JavaScript error occurred in the main process

[confluencepoint]

Uncaught Exception:
TypeError: Cannot read property 'show' of undefined
at App. (/Applications/Dropbox Paper.app/Contents/Resources/app/lib/webpack:/app/src/main.js:48:13)
at emitTwo (events.js:106:13)
at App.emit (events.js:191:7)