Forums / Cotonti / Extensions / Support / Karma 3.0

this plugin don't work on version 0.6.8. of Cotonti.
In forum post don't show anything, I see "ffffff Reputation : 0 0" under user age
and this error

Warning: Cannot use a scalar value as an array in /web/htdocs/www.simulationsitalia.net/home/plugins/karma/inc/functions.php  on line 27
Warning: Cannot use a scalar value as an array in /web/htdocs/www.simulationsitalia.net/home/plugins/karma/inc/functions.php on line 28
 

on User Details.

help Please.