Hello,
Since a few days I can’t open one of my sites in designer mode - I have several other sites that all open fine, but this one remains stuck with the “waiting” bar. Editor mode opens fine, site settings open fine, opening in other browers changes nothing (or in incognito) I tried contacting support several times and they haven’t answered so far 
this is getting urgent now unfortunately anyone had the problem previously ? here is the preview link Webflow - OTRA
I tried restoring other versions > Keep getting error messages
and now I can’t open in editor mode either ;(
i get " Unauthorized Access - Authorization error - please refresh the page or try logging out and back in." ← which doesn’t change anything
I recommend that you open a trouble ticket with the Webflow support team.