What the hell. I have Only getting this message on my rigs.  Nothing I could do to solve it.  On other rigs I am not getting this error message at all.

[2017-11-14 22:02:00] Starting on stratum+tcp://europe.lyra2z-hub.miningpoolhub.com:20581
[2017-11-14 22:02:00] NVAPI GPU monitoring enabled.
[2017-11-14 22:02:00] 6 miner threads started, using 'lyra2z' algorithm.
[2017-11-14 22:02:00] Failed to get extranonce1
[2017-11-14 22:02:01] Stratum subscribe answer id is not correct!
[2017-11-14 22:02:01] JSON-RPC call failed: (unknown reason)
[2017-11-14 22:02:01] ...retry after 30 seconds

What can i do about this.

Thanks you very much.