After securing elasticsearch cluster uuid not found

i have create 4 elastice node all are working find before securing them after securing my cluster uuid not working i detach-cluster my cluster but the problem not solve etc i do following command >
cd /usr/share/elasticsearch/bin/

./elasticsearch-node detach-cluster

sudo /bin/systemctl daemon-reload

sudo systemctl restart elasticsearch


"name" : "master-node",
"cluster_name" : "ASIEM",
"cluster_uuid" : "na",
"version" : {
"number" : "7.13.2",
"build_flavor" : "default",
"build_type" : "deb",
"build_hash" : "4d960a0733be83dd2543ca018aa4ddc42e956800",
"build_date" : "2021-06-10T21:01:55.251515791Z",
"build_snapshot" : false,
"lucene_version" : "8.8.2",
"minimum_wire_compatibility_version" : "6.8.0",
"minimum_index_compatibility_version" : "6.0.0-beta1"
"tagline" : "You Know, for Search"

Please don't post pictures of text or code. They are difficult to read, impossible to search and replicate (if it's code), and some people may not be even able to see them :slight_smile:

What do your Elasticsearch logs show?

before security it was working fine but now its show "cluster_uuid" : " na ",

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