My English is bad (Google translataor), I will try to reproduce the steps with images.
Image Nš1. When creating the ad are all options(ok)
Image Nš2. But the ad is not the values of the extra fields
Image Nš3. If you edit the ad and Save, YES, WORK. You can see the values of the extra field. But when I edit other fields Templates.
Image Nš4. the ad looks good
1. I need to edit your ad (no changes) to be the extra field values.
2. In the editing screen, I see the values of other ad template