Snapshot appears to create the backup, then enters the "pending" mode for the FTP transfer. The transfer then fails.
In the settings, the FTP tests always work. Also, in my FTP location, empty zip files are generated.
I'm using Snapshot on another site to FTP to the same server without issues.
I'm attaching my log file. There seem to be errors unrelated to the FTP transfer, plus the fact that the FTP transfer isn't working.
Thanks for your help or insight.