Monitor hangs forever on the stm32 uC after

[bdmihai]

On the Arduiono Uno Q the monitor hangs forever after 8 messages.

#include <Arduino_RouterBridge.h>
#include <zephyr/kernel.h>
#include <zephyr/drivers/gpio.h>

static const struct gpio_dt_spec led3 = GPIO_DT_SPEC_GET(DT_NODELABEL(led3_blue), gpios);
static const struct gpio_dt_spec led4 = GPIO_DT_SPEC_GET(DT_NODELABEL(led4_green), gpios);

void setup() {
  gpio_is_ready_dt(&led3);
  gpio_is_ready_dt(&led4);
  gpio_pin_configure_dt(&led3, GPIO_OUTPUT_ACTIVE);
  gpio_pin_configure_dt(&led4, GPIO_OUTPUT_INACTIVE);

  Serial.begin(115200);

  Bridge.begin();
  Bridge.provide("remote_event", remote_event);
}

void loop() {
  gpio_pin_toggle_dt(&led3);
  gpio_pin_toggle_dt(&led4);
  delay(1000);  // wait for a second
  Serial.println("Led ON");
  Monitor.println("on");
  gpio_pin_toggle_dt(&led3);
  gpio_pin_toggle_dt(&led4);
  delay(1000);  // wait for a second
  Serial.println("Led OFF");
  Monitor.println("off");
}

void remote_event(String data) {
  Serial.print("Remote event: ");
  Serial.println(data.c_str());
}