I've followed the English tutorial to perfection and I still get this error at the end??

crontab: installing new crontab
monoeci@ip-172-31-38-152:~/sentinel$ monoeci-cli masternode status
{
  "vin": "CTxIn(COutPoint(0000000000000000000000000000000000000000000000000000000000000000, 4294967295), coinbase )",
  "service": "18.220.244.170:24157",
  "status": "Not capable masternode: Could not connect to 18.220.244.170:24157"
}
monoeci@ip-172-31-38-152:~/sentinel$