Kunena/Kunena-2.0 — pull request #1131 by xillibit (2012-10-07 16:14:28+00:00)
Title: Warning: array_diff_key(): Argument #1 is not an array 

Warning: array_diff_key(): Argument #1 is not an array in components/com_kunena/libraries/forum/topic/user/user.php on line 84