Drew replied:

"We had an issue with our database cluster overnight caused when relocating servers in our data center. This caused several unexpected errors to occur, but this issue has been resolved. Please try again and update this ticket if you encounter any further problems. We apologize for the inconvenience this caused and appreciate you letting us know about this problem."

And, in fact, FTP & the Move File function do appear to be ok.

Hope this helps,

Ansley