just installed Synapse and Element and found this in documentation:
Element has no admin UI (see this and this. The Admin user can use the admin API. For Admin UI, you can install Synapse Admin in a separate Surfer app.
How I can install "Synapse Admin" on my Cloudron Server?
Thank you and Regards
Please see this post: https://forum.cloudron.io/topic/4247/matrix-synapse-admin-interface/15?_=1693353216686
Note: Make sure to download the latest version 0.8.7 and not 0.8.5 that is referenced in the post.