I cant edit o create Facebook Queries. The Error is "Failed to Load: Empty Token"
Can you try logging out of Facebook on any/every platform, clearing your internet cache/cookies, and then try to access again? There's likely a stale or mal-formed authentication token somewhere, and this should clear it out.
Another trick that may serve as a work-around is to try this in Incognito mode in your browser.
If none of the above works, please let us know so that we can investigate further.