Can you confirm that you have a specific number of widgets selected in “Appearance > Customize > Layout” near the bottom? You should see a “Footer Widgets” option where you can select how many to show.
thanks for your fast reply.
Of course i had already checked the options you named. I found the problem. When i change the footer Settings in only one Article or Page the Footer does no longy appear correctly.
I Have on more to solve.
Does Generatepress work correctly with Jetpack by WordPress?
I have the Problem that the Sharing-Options are not visible.