Hello,
A suggestion for those having trouble with group URLs in AceSef 1.5 with JomSocial Extension 1.5.2
The view group AND create group group URL are identical. So after creating a group, if you try to then view it, you are brought to the created group screen. Users would not be able to access their group!
So if you don't know how to modify the extension router to make a distinct URL for created and view groups (I do not

then I suggest adding:
task=created
to the disable sef variables screen in the Jomsocial extension for AceSef.
Otherwise, Acesef 1.5 is excellent with Jomsocial