It should work right now - the window isn't even close, there's only a single certificate for the exact name within the 7 day window.
Something looks broken at the CA. see my post below
| Rate Limit | Current Status | Domain |
|---|---|---|
| 50 Certificates per Registered Domain per week | OK (2 / 50 this week.) | effilab-local.com |
| Summary generated at Let's Debug Toolkit . |