[ExeC]

pawn Код:

ShowPlayerDialog(playerid, GUNPACKAGES, DIALOG_STYLE_LIST,"Gun Packages"," PeeWee Package\nGangster package\nOG Package\n", "Enter", "Cancel");

Maybe you should remove the last

pawn Код:

\n

pawn Код:

ShowPlayerDialog(playerid, GUNPACKAGES, DIALOG_STYLE_LIST,"Gun Packages","PeeWee Package \nGangster package \nOG Package", "Enter", "Cancel");

Hope it works :S

EDIT:

pawn Код:

public OnDialogResponse(playerid, dialogid, response, listitem, inputtext[])
{
    if(dialogid == GUNPACKAGES)
    {
       if(response)
       {
        if(listitem == 0)
        {
            GivePlayerWeapon(playerid,1,900);
            GivePlayerWeapon(playerid,16,900);
            GivePlayerWeapon(playerid,22,900);
            GivePlayerWeapon(playerid,25,900);
            GivePlayerWeapon(playerid,29,900);
        }
        if(listitem == 1)
        {
            GivePlayerWeapon(playerid,9,900);
            GivePlayerWeapon(playerid,16,900);
            GivePlayerWeapon(playerid,24,900);
            GivePlayerWeapon(playerid,26,900);
            GivePlayerWeapon(playerid,28,900);
        }
        if(listitem == 2)
        {
            GivePlayerWeapon(playerid,5,900);
            GivePlayerWeapon(playerid,18,900);
            GivePlayerWeapon(playerid,24,900);
            GivePlayerWeapon(playerid,27,900);
            GivePlayerWeapon(playerid,31,900);
            GivePlayerWeapon(playerid,32,900);
        }
    }
    
    return 0;
}

pawn Код:

if(response)
{