Error: MCCI_LoRaWAN_LMIC_library-3.0.99\src\lmic\oslmic.c:53

Thanks for your reply @descartes. It’s a project for my studies, and I have to say I’m new to Arduino.

In my script, I’ve matched the wiring:

 // Pin mapping
const lmic_pinmap lmic_pins = {
   .nss = 10,
   .rxtx = LMIC_UNUSED_PIN,
   .rst = 5,
   .dio = {2, 3, LMIC_UNUSED_PIN},
};

But I still don’t know what is wrong. What do you mean by turning off some class B settings?

---------------------------------------[Update]------------------------------------
I don’t know how, but somehow I’m now getting the following message from the serial console:

image