Problem with the Media site in profile

Hello, i have installed the free rt media Plugin, but if i navigate to the profilepage and then to the media page, there i can only see this errror. how can i fix this ? (same in Grouppages)

Warning: implode() [function.implode]: Invalid arguments passed in /users/------/www/wp-content/themes/theme/inc/czr-front.php on line 4045 ">

I will be very happy if someone can help me

Hello @Christian,

Could you please once check if you are facing this issue when you switch to any default theme of WordPress? This will help us to debug the cause.