Those dimensions are for the “Config Path” not for the “Live Config Path” page
But as @palmettos suggesters, check in Console there to see if content is actually returned.
The dashboard might also have derped up and decided not to load/display it. A page refresh usually clears that one.
And you might want to retry with BTTV/FFZ disabled if you have those in, in case they are causing an issue.
Also ^^
If might be as simple as the URL needing a / on the end. I’ve only linked to .html files myself.
Finally, check you have chrome setup correctly, they have added a lot to the dev tools recently and you might not have the right things enabled to see all the relevant console messages:
You might find you have a CSP error kicking about and it’s not showing it to you because of your settings.