ShowMainMenuDialog(playerid, frame)
{
    new titlestring[64];
    new string[256];

    switch(frame)
    {
        case 1:
        {
            new ip[32];
            GetPlayerIp(playerid, ip, 32);
            format(titlestring, sizeof(titlestring), "Login - %s", GetPlayerNameEx(playerid));
            format(string, sizeof(string), "Welcome to Express Gaming Roleplay, %s.\n\nIP Address: %s\n\nThe name that you are using is registered, please enter a password to login:", GetPlayerNameEx(playerid),  ip);
            ShowPlayerDialog(playerid,MAINMENU,DIALOG_STYLE_PASSWORD,titlestring,string,"Login","Exit");
        }
        case 2:
        {
            new ip[32];
            GetPlayerIp(playerid, ip, 32);
            format(titlestring, sizeof(titlestring), "Register - %s", GetPlayerNameEx(playerid));
            format(string, sizeof(string), "Welcome to Express Gaming Roleplay, %s.\n\nIP Address: %s\n\nYou may register an account by entering a desired password here:", GetPlayerNameEx(playerid),  ip);
            ShowPlayerDialog(playerid,MAINMENU2,DIALOG_STYLE_PASSWORD,titlestring,string,"Register","Exit");
        }
        case 3:
        {
            new ip[32];
            GetPlayerIp(playerid, ip, 32);
            format(titlestring, sizeof(titlestring), "Login - %s", GetPlayerNameEx(playerid));
            format(string, sizeof(string), "Invalid Password!\n\nWelcome to Express Gaming Roleplay, %s.\n\nIP Address: %s\n\nThe name that you are using is registered, please enter a password to login:", GetPlayerNameEx(playerid),  ip);
            ShowPlayerDialog(playerid,MAINMENU,DIALOG_STYLE_PASSWORD,titlestring,string,"Login","Exit");
        }
    }
}

F:\My favorite sa-mp script\gamemodes\EGRP(2).pwn(8652) : error 017: undefined symbol "DIALOG_STYLE_PASSWORD"
F:\My favorite sa-mp script\gamemodes\EGRP(2).pwn(8660) : error 017: undefined symbol "DIALOG_STYLE_PASSWORD"
F:\My favorite sa-mp script\gamemodes\EGRP(2).pwn(8668) : error 017: undefined symbol "DIALOG_STYLE_PASSWORD"
Pawn compiler 3.2.3664          Copyright (c) 1997-2006, ITB CompuPhase


3 Errors.