[Kitten]

First looking through you're code i was like WTF is GivePlayerCar is not even a real function

but i fixed it thought into a real one this one should work fixed all errors and warnings

pawn Код:

// INCLUDES //
#include <a_samp>

// COLORS //
#define COLOR_BASIC 0x0066FFAA
#define COLOR_RED 0xFF0000FF
#define COLOR_GREY 0xAFAFAFAA
#define COLOR_GREEN 0x33AA33AA
#define COLOR_YELLOW 0xFFFF00AA
#define COLOR_WHITE 0xFFFFFFAA

////////////////////Car Prices///////////////////

//INSTRUCTIONS:
// Change the 0 to amounce you want the cars to be sold
//V = Car Price
//A =Cars Amount On Buy

//Off Road
#define VBandito 10
#define ABandito 1
#define VBFInjection 122
#define ABFInjection 1
#define VDune 122
#define ADune 1
#define VMesa 956
#define AMesa 1

//Sports Cars
#define VBanshee 66
#define ABanshee 1
#define VBuffalo 88
#define ABuffalo 1
#define VInfernus 99
#define AInfernus 1

//Bikes
#define VBMX 10
#define ABMX 1
#define VQuad 30
#define AQuad 1

//Variables
new Bandito;
new BFInjection;

public OnPlayerCommandText(playerid, cmdtext[])
{
    if (strcmp("/Carshop", cmdtext, true, 11) == 0) {
        ShowPlayerDialog(playerid, 20320, DIALOG_STYLE_LIST, "Car Shop", "Off Road\nSports Cars\nBikes", "Select", "Exit");
        return 1;
    }

    return 0;
}


public OnDialogResponse(playerid, dialogid, response, listitem, inputtext[])
{
    if(dialogid == 20320 && response) {
        switch(listitem) {
            case 0:
            {
                ShowPlayerDialog(playerid, 20321, DIALOG_STYLE_LIST, "Car Shop [Off Road]", "Bandito   25000\nBF Injection 50000\nDune  1000\nMesa 2000", "Buy", "Cancel");
            }
            case 1:
            {
                ShowPlayerDialog(playerid, 20322, DIALOG_STYLE_LIST, "Car Shop [Sports Car]", "Banshee   100\nBuffalo 5\nInfernus 500", "Buy", "Cancel");
            }
            case 2:
            {
                ShowPlayerDialog(playerid, 20323, DIALOG_STYLE_LIST, "Car Shop [Bikes]", "BMX  5000\nQuad 1000", "Buy", "Cancel");
            }
        }
    }
    if(dialogid == 20321 && response) {
        switch(listitem) {
            case 0:
            {
                if( GetPlayerMoney(playerid)  <  Bandito) return SendClientMessage(playerid, COLOR_RED, "ERROR : You don't have enough money to buy a Brass Knuckle!");
                GivePlayerMoney(playerid, -Bandito);
                new Float:x,Float:y,Float:z;
                GetPlayerPos(playerid,Float:x,Float:y,Float:z);
                CreateVehicle(568,Float:x,Float:y,Float:z,100.0,1,1,15);
                SendClientMessage(playerid, COLOR_GREEN, "Car Shop : You have succesfully bought a Bandito!");
            }
            case 1:
            {
                if( GetPlayerMoney(playerid)  <  BFInjection) return SendClientMessage(playerid, COLOR_RED, "ERROR : You don't have enough money to buy a Brass Knuckle!");
                GivePlayerMoney(playerid, -BFInjection);
                new Float:x,Float:y,Float:z;
                GetPlayerPos(playerid,Float:x,Float:y,Float:z);
                CreateVehicle(424,Float:x,Float:y,Float:z,100.0,1,1,15);
                SendClientMessage(playerid, COLOR_GREEN, "Car Shop : You have succesfully bought a BF Injection!");
            }
        }
    }
    return 1;
}