We apologize for the instability of composr.app and appreciate your patience. We are working on the statistics addon and trying to find an optimal way to store and render data. Unfortunately, we have yet to find a solution that can handle the traffic (and therefore, tens of millions of statistical records) of composr.app. We're working hard on one.
#2650 - Facebook connect: Wrong URL in MEMBER_FACEBOOK.tpl
https://www.facebook.com/app_scoped_user_id/{$USER_FB_CONNECT*,{MEMBER_ID}}
As we can't assume the ID we have is not app scoped. This URL seems to work on both app scoped and non-app-scoped IDs.