Please allow me to assist you with this.
For this issue I think it would be good to take a look at the logs, so this issue can be correctly evaluated. So I'd like to ask you to open an ticket through https://www.atlassian.com for Confluence Cloud, in english. With this they'll be able to assist you more.
Wolfgang, I hope this will help you.
Hi team, I’m Avinoam, a product manager on Confluence Cloud, and today I’m really excited to let the Community know that all customers can now try out the new editing experience and see some of the ...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs