E32 Shield on E220 | Help

Hello, I have bought the shield that you sell for the E32 EBYTE, but I am using it with an E220, I am modifying the basic code so that it receives and sends simple messages, but I cannot do it, I attach the code.

#include “Arduino.h”
#include “LoRa_E220.h”

LoRa_E220 e220ttl100(3, 4); // e32 TX e32 RX

void setup() {
Serial.begin(9600);
delay(500);

Serial.println(“Hi, I’m going to send message!”);

// Startup all pins and UART
e220ttl100.begin();

// Send message
ResponseStatus rs = e220ttl100.sendMessage(“Hello, world?”);
// Check If there is some problem of successfully send
Serial.println(rs.getResponseDescription());
}

void loop() {
// If something available
if (e220ttl100.available()>1) {
// read the String message
ResponseContainer rc = e220ttl100.receiveMessage();
// Is something goes wrong print error
if (rc.status.code!=1){
rc.status.getResponseDescription();
}else{
// Print the data received
Serial.println(rc.data);
}
}
if (Serial.available()) {
String input = Serial.readString();
e220ttl100.sendMessage(input);
}
}