Urgent Help Needed – Download Not Working

First of all thanks a lot for this awesome plugin, our site totally depended on this downloader.

We have been using simple file downloader for our site (https://www.bananafry.com) from a long time.

Recently we had a server migration to a new service provider. The download is not working after the migration.

All other plugins are working fine and good.

Please help, we are in need of emergency help
URL to test: https://www.bananafry.com/iphone-ringtone-download