Thanks for the quick reply.
I was able to circumvent the error for now by commenting out the attachment check in the MediaSync.class.php on line 745. Might just need an if/else for MIME type as a quick fix if you don’t want to wait till the settings are updated.
Let me know if this gets updated in the next version and I’ll check it out. Great work on the plugin. It’s the best and most seamless way to sync FTP uploads to the Library.