Can't see my twitter login button



Ok, i have this problem, via the mac fabric app i installed twitter login and i created an app but when i run the app i cant see the button ( login button )
1st) I get this screen after the installation:

2nd) And the problem it self i cant see the twitter login button.
What should i do to solve my problem?
This is the bundle identifier Agisilaos-Tsaraboulidis.lineseat
Thanks in advance guys