Lag after 30 sec about artnetwifi HOT 5 OPEN

#include <ArtnetWifi.h>
#include <Arduino.h>

// PWM
const int freq = 5000; // 5000 Hz
const int ledChannel = 0;
const int resolution = 8; // Résolution de 8 bits

// LED COB RGBW
const int ledPinR = 15;
int ledValueR;

// WIFI
const char* ssid = "xxxxx";
const char* password = "xxxxx";
WiFiUDP UdpSend;

// connect to wifi – returns true if successful or false if not
bool ConnectWifi(void)
{
  bool state = true;
  int i = 0;

  WiFi.begin(ssid, password);
  Serial.println("");
  Serial.println("Connecting to WiFi");
  
  // Wait for connection
  Serial.print("Connecting");
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
    if (i > 20){
      state = false;
      break;
    }
    i++;
  }
  if (state) {
    Serial.println("");
    Serial.print("Connected to ");
    Serial.println(ssid);
    Serial.print("IP address: ");
    Serial.println(IPAddress(WiFi.localIP()));
  } else {
    Serial.println("");
    Serial.println("Connection failed.");
  }
  
  return state;
}

// ARTNET
ArtnetWifi artnet;
const int startUniverse = 0; // CHANGE FOR YOUR SETUP most software this is 1, some software send out artnet first universe as 0.
const int numberOfChannels = 3; // Total number of channels you want to receive
// Check if we got all universes
const int maxUniverses = numberOfChannels / 512 + ((numberOfChannels % 512) ? 1 : 0);
bool universesReceived[maxUniverses];
bool sendFrame = 1;


void onDmxFrame(uint16_t universe, uint16_t length, uint8_t sequence, uint8_t* data) {
  
  sendFrame = 1;
  
    // range check
  if (universe < startUniverse)
  {
    return;
  }
  uint8_t index = universe - startUniverse;
  if (index >= maxUniverses)
  {
    return;
  }

  // Store which universe has got in
  universesReceived[index] = true;

  for (int i = 0 ; i < maxUniverses ; i++)
  {
    if (!universesReceived[i])
    {
      sendFrame = 0;
      break;
    }
  }
  if (sendFrame) {
  // PWM
  ledcWrite(ledChannel, data[1]);
  // Reset universeReceived to 0
  memset(universesReceived, 0, maxUniverses);
  }
}


void setup() {
  
  Serial.begin(115200);
  ConnectWifi();

  // ARTNET
  // this will be called for each packet received
  artnet.setArtDmxCallback(onDmxFrame);
  artnet.begin();

  // PWM
  // Configure le channel 0
  ledcSetup(ledChannel, freq, resolution);
  // Attache le channel 0 sur les 3 pins
  ledcAttachPin(ledPinR, ledChannel);
}

void loop() {
  // ARTNET
  // we call the read function inside the loop
  artnet.read();
}