I have a problem when i use both define page template and customizer section.
What i did is define a custom contact page and i want to use customizer section on that contact page.
However when i use both the customizer section does not show in wp admin panel.
I added the define page template on top and i use the add customizer section on the site content.
I am pretty sure this used to work , i think i have done it this way a while ago.
Am using the latest 4 version since there is a refresh bug in the 5 version.