Unable to join ttn. Gateway receive the message

[descartes (Nick McCloud)]

@cslorabox

What type of gateway is “esp-01-gate-italo” ?

Good spot!

To cut to the chase, are you using a Single Channel Packet Forwarder? If so, they cause issues for both the developer (as you’ve found) and for the community and are not supported on TTN. See:

Single Channel Packet Forwarders (SCPF) are obsolete and not supported

Single channel packet forwarders are obsolete and are not supported Single Channel in this article refers to both Single Channel and Dual Channel devices (and any variations thereof). Single Channel Packet Forwarders are not LoRaWAN compliant gateways. They negatively impact proper operation of gateways and end devices (nodes) in their area which means they negatively impact The Things Network and its users, but they also impact other LoRaWAN operators. Not only now, but also in the future w…