Catchable fatal error: Argument 1 passed to JTableObserverTags::createObserver() must be an instance of JObservableInterface, instance of ContactTableContact given, called in /home2/wefixinc/public_html/administrator/components/com_contact/tables/contact.php on line 40 and defined in /home2/wefixinc/public_html/libraries/joomla/table/observer/tags.php on line 78