What do I need to do to make it work?

[2018-04-03 20:06:46] Pool us-east.lyra2z-hub.miningpoolhub.com failed to resolve host address.
[2018-04-03 20:07:00] Dev pool connection was closed due to an error.
[2018-04-03 20:07:00] Mining will proceed at reduced rate while not connected to dev pool.
[2018-04-03 20:07:02] Pool us-east.lyra2z-hub.miningpoolhub.com failed to resolve host address.
[2018-04-03 20:07:15] Dev pool connection was closed due to an error.
[2018-04-03 20:07:15] Mining will proceed at reduced rate while not connected to dev pool.
[2018-04-03 20:07:18] Pool us-east.lyra2z-hub.miningpoolhub.com failed to resolve host address.
[2018-04-03 20:07:31] Dev pool connection was closed due to an error.
[2018-04-03 20:07:31] Mining will proceed at reduced rate while not connected to dev pool.
[2018-04-03 20:07:34] Pool us-east.lyra2z-hub.miningpoolhub.com failed to resolve host address.
[2018-04-03 20:07:45] Stats GPU 0 -
[2018-04-03 20:07:45] Stats GPU 1 -
[2018-04-03 20:07:45] Stats GPU 2 -
[2018-04-03 20:07:45] Stats Total -
[2018-04-03 20:10:47] Pool us-east.lyra2z-hub.miningpoolhub.com failed to resolve host address.
[2018-04-03 20:11:03] Pool us-east.lyra2z-hub.miningpoolhub.com failed to resolve host address.
[2018-04-03 20:11:19] Pool us-east.lyra2z-hub.miningpoolhub.com failed to resolve host address.
[2018-04-03 20:11:35] Pool us-east.lyra2z-hub.miningpoolhub.com failed to resolve host address.