I am trying to add the body of POST JSON API. But whenever I click on the text box to add the body, it shifts and disappears. I have updated the version to the most recent, dropped back to the previous version, then back to the new one. Nother like that worked. If it helps, I am using Chrome.
I get to this point:
Then try to click into the body section, then this:
Has this happened to anyone else? Any ideas for what to do?