To better help you with this issue, please go to the 'My Page' and select 'Help center'. Then submit a request with the following information.
1) The trouble you are experiencing with Hakuna in detail
2) Hakuna ID
3) Device name (eg. Galaxy S4)
4) Application version (eg. 1.0.6)
5) Android OS version (eg. 2.3.3)
6) Screenshot of the error