I cannot find the attachment. Can you please re-attached it.
Can you please also attached the error logs. ~\<your project>\App_Data\Sitefinity\Logs\... Please reproduce the case, removing the files from that folder in advance?
Can you check also for browser error (F12 > Console tab?
You can also open a support ticket and once you have the solution to share it with the community.
Do you want to have your say in the Sitefinity development roadmap? Do you want to know when a feature you requested is added or when a bug fixed? Explore the Telerik Sitefinity CMS Ideas&Feedback Portal
and vote to affect the priority of the items