Not really an answer, but it does seem to be a bug in Questions/Confluence here. I get the same, almost always on comments.
A workaround that usually works (but needs you to have answered or commented on it already, or be a power-user who can edit other people's stuff) - once you get the spinny wheel, go back up the question to a previous entry and click "edit", let that screen render, and then cancel the edit. The answer/comment option then seems to work. Sometimes, you have to use "save" rather than cancel, but most of the time cancel fixes it.
Hi Atlassian Community! Have you ever reached out to Atlassian for any non-technical related questions? Maybe you had a question about a bill, or needed help with account management, or had a licen...
Connect with like-minded Atlassian users at free events near you!Find an event
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no Community Events near you at the moment.Host an event
You're one step closer to meeting fellow Atlassian users at your local event. Learn more about Community Events