Well, what's the error, exactly?
Well, what's the error, exactly?

ptero subdomain, not at roothttps://vmlx.org?
concat("https://ptero.vmlx.org", http.request.uri.path)fetch inside workers is all http/1.1 today afaik__cfduid cookie deprecated? i still see it on some cloudflare sites i visit Access to XMLHttpRequest at 'https://wings.vmlx.org:8443/api/system' from origin 'https://ptero.vmlx.org' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource.
jquery.min.js?t={cache-version}:4
GET https://wings.vmlx.org:8443/api/system net::ERR_FAILEDpterohttps://vmlx.orgconcat("https://ptero.vmlx.org", http.request.uri.path)http/1.1__cfduidnodes:1 Access to XMLHttpRequest at 'https://wings.vmlx.org:8443/api/system' from origin 'https://vmlx.org' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: The 'Access-Control-Allow-Origin' header has a value 'https://ptero.vmlx.org' that is not equal to the supplied origin.Access to XMLHttpRequest at 'https://ptero.vmlx.org:8443/api/system' from origin 'https://vmlx.org' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: The 'Access-Control-Allow-Origin' header has a value 'https://ptero.vmlx.org' that is not equal to the supplied origin.