Error "Missing kbn-version header" on query

Hello,
I configured an elasticsearch datasource (test returns Index OK, field name OK)

But for any query in a graph panel for example, I receive this following error:
{
“statusCode”: 400,
“error”: “Bad Request”,
“message”: “Missing kbn-version header”
}

Is somebody know what is wrong?
Thanks in advance,
Jean-Marc

looks like you specified Kibana address and no the Elasticsearch address.

Thanks for the quick answer, I’m going to double check that one.