Problem:
Versa Analytics Web UI throws an error when integrating the Versa Analytics with the Versa Director.
Error adding Versa Director @VD1: Keyspace 'van_system' does not exist
Here, VD1 is hostname of the Versa Director.
Solution:
This error indicates that you have never executed vansetup.py script on the Versa Analytics. Run vansetup.py script on Versa Analytics, before any action, to solve this issue.