Scheduling the Evaluate Group Membership process - date parametres not incrementing

Summary:

I am trying to schedule the 'Evaluate Group Membership' process daily with a full refresh however the evaluation start and end dates are not auto incrementing:

e.g I've schedule it to run with the following parametres to pick up any retro changes:

evaluation start date: 25-May-2026

evaluation end date: 2-Jun-2026

What am I doing wrong/

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