function im_add_new_term($name,$tax){   
    if($tax == "genre"){      
        return wp_insert_term($name,$tax,array("slug"=>array_search ($name, $genres)))["term_id"];  
    } else {
        return wp_insert_term($name,$tax)["term_id"]; 
    }
}

Fatal error: Cannot use object of type WP_Error as array in
/home/pcodecom/demo.p30code.com/multimedia-2/wp-content/plugins/imdb/imdb.php
on line 11