This is still an issue even with a proper configuration, now on Kunena 5.x.
The link that is being generated is as follows:
/forum/userid-735?func=profile
The correct link should be:
/forum/profile/735-username
EDIT:
Here's the fix:
Change line 125 from this:
Code:
$gimmeback = "<a href='".uddeIMsefRelToAbs("index.php?option=com_kunena&func=profile&userid=".(int)$ofanid.$itemid)."'>".$ofaname."</a>";
To this:
Code:
$gimmeback = "<a href='".uddeIMsefRelToAbs("index.php?option=com_kunena&view=user&userid=".(int)$ofanid.$itemid)."'>".$ofaname."</a>";
It should be "view=user" instead of "func=profile"