Hello, Hope all of you are fine,  I recently started learning Apache Metron and I have been performing the squid tutorial for the last week. (I installed HDP 3.1.4 on Ambari 2.7.3 with HCP 2.0.0.0) The problem I am facing is that my logs aren't showing the the alerts UI.  I have already defined a elasticsearch index template with the two fields "metron_alert" and "alert" Here is the sensor information parser logs are being created in kibana      Below is the index template when you run  GET alert_ui_test_*   Below is the sensor and enrichment config     When I see the logs at /var/log/metron/metron-rest.log I see this error , but not sure about what it is   ... View more