Error message
- Warning: array_filter() expects parameter 1 to be array, null given in include() (line 76 of /data/drupal/sites/all/themes/stability/templates/node--forum.tpl.php).
- Warning: count(): Parameter must be an array or an object that implements Countable in include() (line 79 of /data/drupal/sites/all/themes/stability/templates/node--forum.tpl.php).