Hi Georgi,
Thank you for using Syncfusion products.
We have prepared simple sample based on your requirement. In the sample, we have navigated to the root page on PopupView Footer button is clicked. We would like to let you know that we are not able to replicate the reported issue from our side. Could you please run the attached sample and check whether the issue replicated from your side.
We have attached the tested sample and output video for your reference, you can download the same using the following link,
We have tested the sample in Xamarin.Forms 4.5.0.617 and 5.0.0.1931, PopupLayout 18.4.0.39. If the versions differs from your package version please let us know.
Regards,
Chandrasekar Sampathkumar