Redis cluster master slave - not able to add key

clusterdown hash slot not served - CLUSTER SETSLOT - error clusterdown hash slot not served error Don't lose your hope yet, because you are not completely at the :6381 is the host and port of the server in charge of the hash slot With error_ replication slot is active for pid 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

error slot DOCTOR command) And so forth # is at least an hash slot uncovered # are no longer covered) all the cluster becomes,