Correction

if(dialogid == magasin)
{
  		if(response)
		{
 			if(listitem == 0)
			{
				if(PlayerInfo[playerid][pTraderPerk] > 0)
			    	{
					new skill = 150 / 100;
					new price = (skill)*(PlayerInfo[playerid][pTraderPerk]);
					new payout = 150 - price;
			        	format(string, sizeof(string), "~r~-$%d", payout);
					GameTextForPlayer(playerid, string, 5000, 1);
					SafeGivePlayerMoney(playerid,- payout);
					SBizzInfo[9][sbTill] += payout;
					ExtortionSBiz(9, payout);
			    	}
			    	else
			    	{
			       	 	format(string, sizeof(string), "~r~-$%d", 150);
					GameTextForPlayer(playerid, string, 5000, 1);
					SafeGivePlayerMoney(playerid,-150);
					SBizzInfo[9][sbTill] += 150;
					ExtortionSBiz(9, 150);
			    	}

				PlayerPlaySound(playerid, 1052, 0.0, 0.0, 0.0);
				new randphone = 1000 + random(9999);//minimum 1000  max 9999
				PlayerInfo[playerid][pPnumber] = randphone;
				format(string, sizeof(string), "Telephone acheté, votre numéro est le %d", randphone);
				SendClientMessage(playerid, COLOR_GRAD4, string);
				SendClientMessage(playerid, COLOR_GRAD5, "Vous pouvez le vérifier à tout moment en tappant /stats");
				SendClientMessage(playerid, COLOR_WHITE, "Note: Vous pouvez utiliser /aide pour voir les commande du telephone.");

			}

			if(listitem == 1)
			{
				SendClientMessage(playerid, COLOR_GREEN, "a voir apres");
	  		}
			if(listitem == 2)
			{
				SendClientMessage(playerid, COLOR_GREEN, "a voir apres");
			}
			if(listitem == 3)
			{
				SendClientMessage(playerid, COLOR_GREEN, "a voir apres");
			}
			if(listitem == 4)
			{
				SendClientMessage(playerid, COLOR_GREEN, "a voir apres");
			}
		} // Il en manquait une ici
}