DNScrypt issues

root@Nighthawk:~# dnscrypt-proxy -r 185.121.177.177:5353 \
>                -N 2.dnscrypt-cert.dnsrec.meo.ws \
>                -k 1A6A:D0A3:2B4C:5A61:A695:D153:670D:69AB:1690:3F9E:C3F7:F64F:
13E5:35A3:18B2:28A5
Thu Feb  8 17:39:13 2018 [NOTICE] Starting dnscrypt-proxy 1.9.4
Thu Feb  8 17:39:13 2018 [INFO] Generating a new session key pair
Thu Feb  8 17:39:13 2018 [INFO] Done
Thu Feb  8 17:39:13 2018 [ERROR] Unable to bind (UDP) [Address in use]