Description - Adobe Campaign Classic should be a open source and an easily available software for beginners to learn and implement what they are studying from the Adobe Solution Partner Portal. I tried various ways to get it installed for the hands on to clear the Business Practitioner Certification...

By adding a custom filter in the settings tab.Currently last name and email are predefined, you can add a search box i guess so, not sure on the check box functionality.

I think so you need to use the Time functionality instead of currentDate and last Modified date. It might be both the currentDate and ModifiedDate are same i.e. of today because of which you might be receiving an error.