Kibana 6.5.4 Create index pattern stuck

Question

I am using kibana 6.5.4 to visualise my data in ES but there are sth wrong. Firstly, I searched the index "sentiment" and it does exist in my ES; Secondly, I clicked "Create index pattern"; Finally, it stuck here forever...

Answer 1

Could be caused to due index permissions.

If it's due to low disk space the following answer is relevant: Elasticsearch error: cluster_block_exception [FORBIDDEN/12/index read-only / allow delete (api)], flood stage disk watermark exceeded