[Scriptery]

For action on offline players, don`t use variables, check player, if is online, use variables, but player is not connected, you need update player warns to data base.

example: "UPDATE `users` SET Warns = Warns - 1 WHERE PlayerName = '%e' AND Warns > 0 LIMIT 1"

And after execute query, Will be called function with mysql_tquery, for check rows affected, if 0 rows affected, return message for admin: "Player don`t exist or not have warns".