You were right. The hostname was not correct. After correcting it, it started to connect! Thank you very much.

Hi, I'm working on a project where the ESP32 connects to wifi, gathers data from its sensors, converts sensor data to units, compiles a MQTT message, connects to AWS IoT, and publishes it to a topic. It connects to Wifi just fine, and I am able to see it on my router. The 3 key and cred files are in...