Issue with Flows in Grafana

Problem:
Issue with Flows Data Retrieval using REST API

Expected outcome:
Want to see Flows data using API like for conversations/Application etc
28.0

Other relevant data:
Failed to execute query: java.lang.Exception: {“root_cause”:[{“type”:“parsing_exception”,“reason”:“Unknown aggregation type [proportional_sum]”,“line”:46,“col”:35}],“type”:“parsing_exception”,“reason”:“Unknown aggregation type [proportional_sum]”,“line”:46,“col”:35,“caused_by”:{“type”:“named_object_not_found_exception”,“reason”:"[46:35] unknown field [proportional_sum]"}}

Failed to execute query: java.lang.Exception: {"root_cause":[{"type":"parsing_exception","reason":"Unknown aggregation type [proportional_sum]","line":46,"col":35}],"type":"parsing_exception","reason":"Unknown aggregation type [proportional_sum]","line":46,"col":35,"caused_by":{"type":"named_object_not_found_exception","reason":"[46:35] unknown field [proportional_sum]"}}

Looks like you are missing the drift plugin that is required to be installed with Elasticsearch.

Elastic search drift plugin is installed. Please see below snapshot.

The versions have to match between the drift plugin and the Elasticsearch cluster. There is as of yet no released version of drift for ES v7.15.2. The newest drift plugin is v7.6.2

Thanks. Let me try that, do you have any document which ca guide me to uninstall and re-install drift plugin.