Warning: Unsupported firmware 3.0.4 about wifiesp HOT 17 OPEN

#include <Arduino.h>
#include "WiFiEsp.h"
#include "WiFiEspUdp.h"
#include <NTPClient.h>
#include <Wire.h>
#include <ds3231.h>

char ssid[] = "SSID";            // your network SSID (name)
char pass[] = "PWD";        // your network password
int status = WL_IDLE_STATUS;     // the Wifi radio's status

// Define NTP Client to get time
WiFiEspUDP ntpUDP;
NTPClient timeClient(ntpUDP);

// First Boot variable
int firstBoot = 1;

// Create time variables
int currentHour;
int currentMinute;
int currentSecond;
int currentDate;
int currentMonth;
int currentYear;

String currentDay;

int xmasHour;
int xmasMinute;
int xmasSecond;

int monthDays;
int daysMonth[12] = {358, 327, 299, 268, 238, 207, 177, 146, 115, 85, 54, 24};

char buffer [16];
struct ts tm;
String message;

void setup() {
  // initialize serial for debugging
  Serial.begin(115200);
  // initialize serial for ESP module
  Serial3.begin(115200);
  
  // initialize ESP module
  WiFi.init(&Serial3);


  // check for the presence of the shield
  if (WiFi.status() == WL_NO_SHIELD) {
    Serial.println("WiFi shield not present");
    // don't continue
    while (true);
  }

  // attempt to connect to WiFi network
  while ( status != WL_CONNECTED) {
    Serial.print("Attempting to connect to WPA SSID: ");
    Serial.println(ssid);
    // Connect to WPA/WPA2 network
    status = WiFi.begin(ssid, pass);
  }

//  IPAddress local_ip(192,168,1,198);
//  IPAddress dns_server(192,168,1,254);
//  IPAddress gateway(192,168,1,254);
//  IPAddress subnet(255,255,255,0);


//  WiFiEsp.config(local_ip, dns_server, gateway, subnet);

  // You're connected now
  Serial.println("You're connected to the network");

  timeClient.begin();
  timeClient.setTimeOffset(0);

  Wire.begin();
  DS3231_init(DS3231_CONTROL_INTCN);

}  //End Setup

void loop()    {

  // Call time routine
  tikTok();

  // Call time update check
  timeUpdate();

  // Call Countdown routine
  countDown();

  delay(1000);

} // End Loop

void timeUpdate()  {

  // Resync RTC with NTP 0200hrs daily or on first boot up
  if (tm.hour == 2 && tm.min == 0 && tm.sec == 0 ||  firstBoot == 1)  {
    Serial.println("Resyncing.....");
    //  Get time
    while (!timeClient.update());
    unsigned long epochTime = timeClient.getEpochTime();
    currentHour = timeClient.getHours();
    currentMinute = timeClient.getMinutes();
    currentSecond = timeClient.getSeconds();
    currentDay = timeClient.getFormattedDate();
    currentDate = (currentDay.substring(8, 10)).toInt();
    currentMonth = (currentDay.substring(5, 7)).toInt();
    currentYear = (currentDay.substring(0, 4)).toInt();

    //  Check if Summer Time
    unsigned long startBST = (1551398400 + ((currentYear - 2019) * 31536000)) + ((((31 - (((5 * currentYear) / 4) + 4) % 7) - 1) * 86400) + 3600) + (int((currentYear / 4) - 504) * 86400);
    unsigned long endBST = (1569888000 + ((currentYear - 2019) * 31536000)) + ((((31 - (((5 * currentYear / 4)) + 1) % 7) - 1) * 86400) + 3600) + (int((currentYear / 4) - 504) * 86400);
    //  If Summer Time, add 1 hour
    if (epochTime >= startBST && epochTime <= endBST)  {
      timeClient.setTimeOffset(3600);
    }
    //  Not Summer Time
    else {
      timeClient.setTimeOffset(0);

      //  Set H:M:S from web server
      tm.hour = currentHour;
      tm.min = currentMinute;
      tm.sec = currentSecond;
      tm.mday = currentDate;
      tm.mon = currentMonth;
      tm.year = currentYear;
      DS3231_set(tm);

      //  Void First Boot
      firstBoot = 0;
      Serial.println("NTP Time Update set.");
    }
  }
}  // End timeUpdate

void tikTok() {

  //  Refresh time from RTC
  DS3231_get(&tm);
  currentHour = tm.hour;
  currentMinute = tm.min;
  currentSecond = tm.sec;
  currentDate = tm.mday;
  currentMonth = tm.mon;
  currentYear = tm.year;

  sprintf (buffer, "Time: %02u:%02u:%02u\n", currentHour, currentMinute, currentSecond);
  Serial.print (buffer);
  sprintf (buffer, "Date: %02u-%02u-%04u\n", currentDate, currentMonth, currentYear);
  Serial.print (buffer);

}  // End TikTok

void countDown()  {

  DS3231_get(&tm);
  xmasHour = 23 - tm.hour;
  xmasMinute = 59 - tm.min;
  xmasSecond = 59 - tm.sec;

  sprintf (buffer, "Time to Xmas: %02u:%02u:%02u\n", xmasHour, xmasMinute, xmasSecond);
  Serial.print (buffer);

  monthDays = daysMonth[currentMonth - 1] - currentDate;
  if (currentMonth <= 2 && currentYear % 4 == 0)  {
    monthDays ++;
  }
  if (monthDays <= -1)  {
    monthDays = 390 - currentDate;
    if ((currentYear + 1) % 4 == 0)   {
      monthDays ++;
    }
  }
  monthDays ++; // Add one for Sleeps rather than days
  switch (monthDays)  {
    case 0:
      message = "It's Christmas Day!\n";
      break;
    case 1:
      message = "Christmas Eve! Only 1 more sleep!\n";
      break;
    default:
      message = "Only " + String(monthDays) + " more sleeps to Christmas!\n";
  }
  Serial.println(message);
}  // End countDown

XmasClock:3:10: fatal error: WiFiEspUdp.h: No such file or directory
 #include <WiFiEspUdp.h>
          ^~~~~~~~~~~~~~
compilation terminated.
exit status 1
WiFiEspUdp.h: No such file or directory

WiFiEspUDP ntpUDP;
NTPClient timeClient(ntpUDP);

#include <WiFiEspAT.h>