ClaymoreCpu v4  fail to connect

2018-04-06 14:43:52 INFO: Starting miner (ClaymoreCpu): 'C:\MultiPoolMinerV2.7.2.7\Bin\CryptoNight-Claymore-Cpu\NsCpuCNMiner64.exe -pow7 1 -r -1 -mport 3333 -o stratum+tcp://europe.cryptonight-hub.miningpoolhub.com:17024 -u Etherion.WK10 -p x'
2018-04-06 14:43:52 INFO: Pinging monitoring server.
2018-04-06 14:43:52 INFO: Miner Status (https://multipoolminer.io/monitor/miner.php): Success
2018-04-06 14:43:54 INFO: Start waiting before next run.
2018-04-06 14:44:24 INFO: Finish waiting before next run.
2018-04-06 14:44:24 INFO: Saving hash rates.
**2018-04-06 14:44:24 ERROR: Failed to connect to miner (ClaymoreCpu).**