[Vince]

This

pawn Код:

if(SBizzInfo[i][sbProducts] == 0)
                {
                    GameTextForPlayer(playerid, "~r~Out of stock", 5000, 1);
                    return 1;
                }
                else
                {
                    return 1;
                }

If there are no products, quit. If there are products, quit as well. The code below this block can never be reached, hence the warning.