error 017: undefined symbol "@_Timer_Skin"

[Dima_Walker]

error 017: undefined symbol "@_Timer_Skin"
Сам пикап

if(pickupid == skin11)
{
    SendClientMessage(playerid, 0xFFFF00AA, "Скин вузи | Цена: 50.000$");
    SetTimerEx("@_Timer_Skin" , 5000 , false, "i" , playerid );
}

@_Timer_Skin(playerid);
@_Timer_Skin(playerid)
{
    if(GetPlayerMoney(playerid) < 50000)
        return SendClientMessage(playerid, 0xFF0000FF, !"Не хватает денег, требуется 50.000$");
        
    GivePlayerMoney(playerid, -50000);
    GameTextForPlayer(playerid, "-50.000$",3000,1);
    SetPlayerSkin(playerid,294);
    return false;
}