Time Select

I want to create a time picker, I have a drop down menu with times to pick. but I have multiple places that i need to have these pickers. I can test out the overlay it works for the first one but then i can’t do anything on the next picker. I can scroll the screen but nothing for anything else. PLEAES help i can’t find anything else on this issue and have no idea on what to do.
Attached you can see my project, again PLEASE any help will be greatly apperciated.
Thank you.https://www.figma.com/file/uPX5NTy2hJ5yUR30FyEDMM/Anthony’s-Scheduling-App?node-id=288%3A197