Solution

1. When a required parameter value is missing and the user tries to run a query, the parameter should be marked as missing value (using red border). We might want to accompany this with some animation on the color transition, to guide the user towards the issue?

2. We shouldn't try to execute the query or show the error message we currently show.

Problem

Currently we piggy back the query execution error mechanism to notify the user that they need to enter a value for a parameter when a value is missing.

On a query screen:

On a dashboard:

The big red message feels very intimidating and I wonder if there is a better way to convey this message?