For some reason I can not update my caches anymore.
I go to the cache page
Click [ Edit ]
Make some alterations in the cache page (a new link to a banner)
Click on button [ Save ]
then.... nothing happens.
When I look in the console of the browser I see this line :
Blocked form submission to './edit.aspx?guid=0066e2d6-a94e-43f4-9695-ff996bdd3f09' because the form's frame is sandboxed and the 'allow-forms