Hi @owieth,
Thanks for reaching out and welcome to Netlify’s Support Forums!
Have you been able to get the schedule function working locally? We have docs that can help with testing here:
Could you give that a try and let us know if the scheduled function works locally?
Additionally, I noticed while investigating the site, that a Netlify DNS Zone has been configured but that it is not active.
We have a Support Guide on how to detect and fix inactive DNS Zones:
I mention this cause it could be the cause of the issue with the scheduled function not working.