Unable to connect or Integrate ERPNext(MariaDB) database in frappe Insight-

In Attached Screenshot, In my local ERPNext project for creating a dashboard from Frappe Insight .I’m trying to connect new datasource from my erpnext (MariaDB) database. For which I entered the credentials of MariaDB database and tried to connect ERPNext database in Frappe Insight, but it is showing reloading till the enough time. so How I connect my erpnext database in frappe Insight.
Resolve it or suggest any solution.

I too am receiving the same issue. Did you find any solution for this? If yes, Please share it with me.

MariaDB default port number is 3306.