Try to switch to another server. Try eu1
Thank you for reply.
same result, i even switched to another pool. this happens after 20 hours straight mining. Then i must restart the rig. after 20 hours mining miner tries to connect Devfee and it gives this error then all troubles starts. i dont know it something to do with my rig or miner.
after restart the rig all ok Devfee connecting but after 20 hours same thing again.