Register the LoRa Raspberry-Pi Gateway on The Things Network (TTN)Go to www.thethingsnetwork.org to create an account.Log in to the TTN account and follow instructions for registering the LoRa gateway. Make sure to check the box “I'm using the legacy...

Check that both pins are configured correctly and identically. Check your board/schematics for conflicting external components.Infos about chip and board are always helpful.