Redis cluster master slave - not able to add key

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

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_ replication slot is active for pid The issue comes when one or more Redis nodes gets corrupted and can no longer serve its configured hash slots You will have to bootstrap the

error slot The issue comes when one or more Redis nodes gets corrupted and can no longer serve its configured hash slots You will have to bootstrap the