public OnAccountLoad(playerid)
{
    UserAccount[playerid][Money] = cache_get_row_int(0, 3, MySQL);
    UserAccount[playerid][Score] = cache_get_row_int(0, 4, MySQL);
    UserAccount[playerid][Adminlevel] = cache_get_row_int(0, 5, MySQL);
    UserAccount[playerid][Viplevel] = cache_get_row_int(0, 6, MySQL);
    UserAccount[playerid][Class] = cache_get_row_int(0, 7, MySQL);
    UserAccount[playerid][RankXP] = cache_get_row_int(0, 8, MySQL);
    UserAccount[playerid][Rank] = cache_get_row_int(0, 9, MySQL);

    ResetPlayerMoney(playerid);
    GivePlayerMoney(playerid, UserAccount[playerid][Money]);
    SetPlayerScore(playerid, UserAccount[playerid][Score]);
    return true;
}

if(!cache_num_rows()) return SendClientMessage(playerid,-1,"user id doestn exists");

stock CheckAccount(playerid)
{
    new query[500];
    format(query, sizeof(query), "SELECT UserID, Password FROM `Accounts` WHERE `Username` = '%s' LIMIT 1", GetUser(playerid));
    mysql_function_query(MySQL, query, true, "OnAccountCheck", "d", playerid);
    return true;
}

public OnAccountCheck(playerid)
{
    if(playerid != INVALID_PLAYER_ID)
    {
        new rows, fields;
        cache_get_data(rows, fields, MySQL);

        if(rows)
        {
            UserAccount[playerid][UserID] = cache_get_row_int(0, 0, MySQL);

            cache_get_row(0, 1, UserAccount[playerid][Password], MySQL, 130);

            new string[512];
            format(string, sizeof(string), "{FFFFFF}Welcome back to San Fierro Cops and Robbers '%s', \nTo get start playing, we must ask you to login with your personal password below.\n\n{FF0000}Note: If you do not own this account, we highly recommend you to rejoin with a new name.", GetUser(playerid));
            ShowPlayerDialog(playerid, DIALOG_LOGIN, DIALOG_STYLE_PASSWORD, "{FFFFFF}User authentication", string, "Login", "Cancel");
        }
        else
        {
            new string[512];
            format(string, sizeof(string), "{FFFFFF}Welcome to San Fierro Cops and Robbers '%s', \nTo get start playing, we must ask you to sign up with a personal password below.\nWe highly recommend, that you use an unique password for our servers.\n\n{FF0000}Note: When you have signed up, this account (%s) will be your responsiblity!", GetUser(playerid), GetUser(playerid));
            ShowPlayerDialog(playerid, DIALOG_LOGIN, DIALOG_STYLE_PASSWORD, "{FFFFFF}User authentication", string, "Register", "Cancel");
        }
    }
    return true;
}

UserAccount[playerid][UserID] = cache_get_row_int(0, 0, MySQL);
printf("UserID: %d",UserAccount[playerid][UserID]);