We can see next errors – https://prnt.sc/FVQYwfdbUEmz Could you disable cdn and check how it works then?
Provide access and link to the file via the Private Content area.
Please provide temporary wp-admin and FTP access, so I can pass your report to our dev team.
Create an account via Dashboard (Users > Add new) with administrator role http://prntscr.com/s3rc9m > provide us with username and password via the Private Content area http://prntscr.com/s5mao7 You can use any email for it.
If you do not know how to create FTP contact with your hosting provider, they will help you.
Regards