Please note that you can leave all tls certificates out, except the --http-tls-cert and --http-tls-key in LoRa App Server (used for the LoRa Server web-interface and HTTP API). Please try if that works 
Please note that you can leave all tls certificates out, except the --http-tls-cert and --http-tls-key in LoRa App Server (used for the LoRa Server web-interface and HTTP API). Please try if that works