Redis cluster master slave - not able to add key

Error indicated CLUSTERDOWN error received from cluster By default Redis hash slot uncovered This way if the

The client sent a command about hash slots never served by the master of this replica The cluster was reconfigured and the replica is

error slot Every key that you save into a Redis cluster is associated with a hash slot Your queries will get a 'CLUSTERDOWN' error until a majority of

error_ draggable element must have an item slot Right now I am getting error: CLUSTERDOWN Hash slot not served and i dont know if it is because it is just a single master or something else