Calendar resources not available on unpkg.com

Hi everyone
yesterday everything worked fine, but today I can no longer access resources to make the calendar work
https://unpkg.com/@fullcalendar/core/main.min.css,
https://unpkg.com/@fullcalendar/core/main.min.js,
etc …
I tried it from my browser and the result is this

Schermata 2020-06-22 alle 13.06.011670×340 46 KB

Ver. Wappler 2.9.1
Do you have any suggestions, maybe it’s just a temporary suspension of the service …

Thank you