I am experiencing the following problem, I can not load up the upfront editor, every time I try it gives me this message:
"Loading... the Upfront editor may take a while to load (especially first time), please hang in there :slight_smile:"
It continues like this indefinitely. I have tried clearing caches on server and on the browser/client, but nothing works. It's just stuck in perpetual loading. It had been working previously, in fact I had been using it without problems not 15 minutes prior. There were no changes in plugins, updates, or settings between uses.