[Lordzy]

pawn Код:

mysql_format(mysql, query, sizeof(query),
                "INSERT INTO `account_data` (`Name`, `Password`, `IP`) VALUES ('%e', '%e', '%e')", playername, Account[playerid][Password], playerip);
            mysql_format(mysql, query2, sizeof(query2),
                "INSERT INTO `character_data` (`Name`, `Admin_Level`, `VIP_Level`, `Character_Level`, `Money`, `Skin`, `Health`, `Armour`, `PosX`, `PosY`, `PosZ`, `PosA`) VALUES ('%e', 0, 0, %d, %d, %d, 100.00, 0.00, %f, %f, %f, %f)", playername, STARTING_LEVEL, STARTING_MONEY, STARTING_SKIN, STARTING_SPAWN_X, STARTING_SPAWN_Y, STARTING_SPAWN_Z, STARTING_SPAWN_A);
            mysql_tquery(mysql, query, "OnAccountRegister", "i", playerid);

You must increase your "query" array size. It's getting out of bounds here. Secondly, you need to query twice since you're formatting it twice here. You need to insert into two tables, so after your first format, query it and then format the second one for the next query.