Thanks for the feedback! There are a few items in the FAQ that may provide a solution to this issue, this one may get you going.

– Why do I get a blank/white screen on my site?
– https://snapcreek.com/duplicator/docs/faqs-tech/#faq-installer-270-q

If you would like to submit a support ticket for this issue we can have a closer look at your setup. Please provide a link to this forum thread when submitting the ticket.

Hope this helps~