Do not use 1.3.0. Update to newest version 1.3.1.18 available here:
https://github.com/NewYorkCoin-NYC/nycoin/releases/

Just follow instructions using newyorkcoin.conf below:

rpcuser=nycrpc
rpcpassword=anypassword
port=17020
rpcport=28823
rpcallowip=127.0.0.1
listen=1
server=1
txindex=1
#maxconnections=200
timeout=15000
#debug=1

seednode=dnssseed.nycoin.money
addnode=46.250.220.175:17020
addnode=62.213.218.23:17020
addnode=62.213.218.8:17020
addnode=76.95.178.229:17020
addnode=85.90.245.151:17020
addnode=136.144.215.219:17020
addnode=178.128.204.141:17020
addnode=178.118.21.128:17020
setban=73.179.138.124:17020
setban=104.239.230.131
setban=74.56.54.141