- SQL_QUERY("ALTER TABLE `"._MYSQL_PREFIX."_refsystem` ADD UNIQUE `userid_level` ( `userid` , `level` )", __FILE__, __LINE__);
+ SQL_ALTER_TABLE("ALTER TABLE `{!_MYSQL_PREFIX!}_refsystem` ADD UNIQUE `userid_level` ( `userid` , `level` )", __FILE__, __LINE__);
+
+ // Rebuild cache
+ REBUILD_CACHE("refsystem", "refsystem");