not-logged-in_users_in_filemanager.php

// Find this in filemanager.php (probably line 363)
function fm_access_shortcode( $atts, $content = null ){
  extract(shortcode_atts(array(
    'group' => '',
  ), $atts));

   $red_current_user = wp_get_current_user();
   $red_current_id = $red_current_user->ID;
   $red_fm_role = reset($red_current_user->roles);

   update_option("red_fm_debug", print_r($red_fm_role, true));


  if($red_fm_role == $group){ 
    echo do_shortcode($content);
  }elseif($group == "logged-in" && is_user_logged_in()){
    echo do_shortcode($content);
  }elseif($group == "not-logged-in" && !is_user_logged_in()){
    echo do_shortcode($content);
  }else{
    return "";
  }


}
add_shortcode( 'fm_access', 'fm_access_shortcode' );

Find this in filemanager.php (probably line 363)