Kibana Error: Courier Fetch: 5 of 10 shards failed.
See what is going on es logs. I've faced this problem recently and on my es logs i was getting te following error: MaxBytesLengthExceededException
More details at: https://github.com/elastic/kibana/issues/2782
Also please provide more information, your post contains absolutely nothing useful other than an error message.
Are you asking for help or are you just telling us about your errors?
I am running elasticseach service of aws. im not sure what exactly happening. now even worst page itself is not loading