// Init variable to avoid a notice
$CATS = '';
-if (REQUEST_ISSET_POST(('add'))) {
+if (REQUEST_ISSET_POST('add')) {
// Add a new category
$result = SQL_QUERY_ESC("SELECT `id` FROM `{!_MYSQL_PREFIX!}_cats` WHERE cat='%s' LIMIT 1",
array(REQUEST_POST('catname')), __FILE__, __LINE__);