i am getting these kind of exception on my worker nodes
**[node.id](http://node.id/)** **":"eqCCF2S4TPG1jExPCtnbng","** **[elasticsearch.node.name](http://elasticsearch.node.name/)** **":"eck-master-and-worker-nodes-es-worker-2","** **[elasticsearch.cluster.name](http://elasticsearch.cluster.name/)** **":"eck-master-and-worker-nodes","error.type":"org.elasticsearch.action.UnavailableShardsException","error.message":"at least one primary shard for the index [.security-7] is unavailable","error.stack_trace":"org.elasticsearch.action.UnavailableShardsException: at least one primary shard for the index [.security-7] is unavailable\n\tat** **[org.elasticsearch.se](http://org.elasticsearch.se/)** **curity@8.8.0/org.elasticsearch.xpack.security.support.SecurityIndexManager.getUnavailableReason(SecurityIndexManager.java:138)\n\tat** **[org.elasticsearch.se](http://org.elasticsearch.se/)**
but when i check the shards for this index those are assigned and the index is also searchable.can you help on this issue
also when i am trying to login with any user using Kibana interface its failing but when i try to login using Elasticsearch end point its successful.
elasticsearch Elastic Stack kibana elastic-stack-monitoring Elasticsearch elastic-stack-reporting #worker-nodes
Kibana