Forum | Appery.io

Hi Team,
I followed this tutorial:
http://devcenter.appery.io/tutorials/...

and now im getting this error:
Uncaught TypeError: Cannot read property 'set' of undefined
which is in this line
screenshot:

how can i fix this problem?

Many Thanks

update?

Hello She,

Could you please clarify do you get this app working on a device? Because this app should be tested on the real device only