This exception is preventing the cluster to be green, it is red. Any idea how to fix it?
2015-09-16 12:19:35,513][ERROR][marvel.agent.exporter ] [ElasticSearch-08] create failure (index:[.marvel-2015.09.16] type: [cluster_state]): UnavailableShardsException[[.marvel-2015.09.16][0] Primary shard is not active or isn't assigned is a known node. Timeout: [1m], request: org.elasticsearch.action.bulk.BulkShardRequest@c54a1ee]
version" : {
"number" : "1.4.5",