[Ivan_Ino]

Oh, of course, I see what an issue is, you are doing query wrong!

Код:

mysql_format(SQL, string, sizeof(string), "SELECT `code` FROM `users` WHERE `name`='%e' LIMIT 1", playerid);

Here you trying to fetch code based on user's name, but you're sending player's id instead of player's name

That is why you getting nothing back from db