Problem compiling Platformio ESP32 about espnowfloodingmeshlibrary2

[Darekg1]

my code:
#include <Arduino.h>
#include <EspNowFloodingMesh.h>
#include <WiFi.h>
#include <time.h>

#define LED 2

#define ESP_NOW_CHANNEL 1
#define B_SSID 14
//AES 128bit
unsigned char secredKey[] = {0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xAA,0xBB,0xCC,0xDD,0xEE, 0xFF};

void espNowFloodingMeshRecv(const uint8_t data, int len, uint32_t replyPrt){
if(len>0) {
Serial.println((const char)data);
}
}
//----------------------------------------

//####################################################################
void setup() {
Serial.begin(115200);
WiFi.mode(WIFI_MODE_STA);
Serial.println(WiFi.macAddress());
//Set device in AP mode to begin with
espNowFloodingMesh_RecvCB(espNowFloodingMeshRecv);
espNowFloodingMesh_begin(ESP_NOW_CHANNEL, B_SSID);
espNowFloodingMesh_secredkey(secredKey);
espNowFloodingMesh_setToBatteryNode();

//Ask instant sync from master.
espNowFloodingMesh_requestInstantTimeSyncFromMaster();
while(espNowFloodingMesh_isSyncedWithMaster()==false);

pinMode(LED, OUTPUT);
digitalWrite(LED, HIGH);
}
//####################################################################

//####################################################################
void loop() {
static unsigned long m = millis();

//Ask instant sync from master.
if(m+5000<millis()) {
char message[] = "SLAVE HELLO MESSAGE";
espNowFloodingMesh_send((uint8_t*)message, sizeof(message), 3); //set ttl to 3
m = millis();
}
espNowFloodingMesh_loop();
delay(10);
}
//####################################################################