Music Box Composer

My first tune arranged using MBC:

https://youtu.be/4FUcA9QWv5w

Tried to upload this strip, but got the following error:
www.jellybiscuits.com/mbc/mbp.php?Error Could not resolve host: www.jellybiscuits.com (Could not contact DNS servers)

https://www.youtube.com/watch?v=gTbwz97 ... e=youtu.be

I would share the actual strip, but I just get this:
www.jellybiscuits.com/mbc/mbp.php?Error Could not resolve host: www.jellybiscuits.com (Could not contact DNS servers)

If I try to upload a strip, I always get the following error message in the (Generated URL ends up here) box: http://www.jellybiscuits.com/mbc/mbp.php?Error Could not resolve host: http://www.jellybiscuits.com (Could not contact DNS servers) I am using the standalone app on a macbook with macOS Sier...