[Solved] Waiting for writing an answer...
When wanting to write an answer to a topic, then nothing loads... Please see attached image.
Thanks for helping 🙂
Please follow my answer in this support topic: https://wpforo.com/community/how-to-and-troubleshooting-2/leave-a-reply-with-spinning-progress-ball/#post-45112
I changed the plugin - Litespeed cache - to OFF regarding "Load JS Deferred".
And now it seems to work.