When attempting to utilize "current user" in the business rule you are getting an error "API-1019 : Could not process the request due to internal error".
Steps to reproduce this behaviour are as follows:
Expected Results: It should be able to apply the rule and list projects
Actual Results: API-1019 : Could not process the request due to internal error.
Release : 16.0.0, 16.0.1
Component : Clarity MUX Blueprints and Administration
DE64093, Upon Engineering review this is already planned to be addressed in the upcoming release 16.0.2.