Deprecated: mysql_connect(): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead in /var/www/html2018/hkisa30th/en/common/connection.php on line 14

Notice: Undefined index: activity_where_clause in /var/www/html2018/hkisa30th/en/activity.php on line 20
You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '' at line 1