hi, thx, but is not working, and i use the RFM95 LoRa....what can i do?

HI, I used this code for my project: https://learn.adafruit.com/adafruit-rfm69hcw-and-rfm96-rfm95-rfm98-lora-packet-padio-breakouts/rfm9x-test
and for wiring this: https://learn.adafruit.com/adafruit-rfm69hcw-and-rfm96-rfm95-rfm98-lora-packet-padio-breakouts/wiring
but I have this is what my serial monitor show "LoRa radio init failed"
can someone help me pls...