my wallet won't sync past the 302 block here is .conf tell me what i did wrong

server=1
rpcuser=USER
rpcpassword=PASSWORD
addnode=cryptexplorer.com
addnode=89.164.145.53
addnode=93.188.215.21
addnode=37.187.129.122
addnode=96.46.206.30
addnode=188.165.194.96