Friends BUG ?

[Never]

New BUG appeared with friends it seems...

Friends disappear and appear in my friendslist with every new start.
The friends with which this happens sometimes appeared but don't exist in the match plan from the friends matches.
Sometimes I can see them on the last site but without friend symbol.
If I restart the match is gone. It happen with FB friends only and we are definitley friends on FB.

This happen with web version and also on adroid app.