(Avast! Account) Activity log BUG

I would like to report a bug.

I have installed Avast! Mobile Security PREMIUM and on my Avast! Account in tab activity log says NO DATA AVAILABLE.In one Device like PC I see Activity log but for Tablet NOT!
Could you please fix it!

http://s24.postimg.org/5y2z5fj91/Avast_BUG.jpg

Thank you