[Zubersoft]

That usually happens when something interrupts the Google Drive connection. This can happen if the router drops the connection, your device is assigned a new IP address by the router or something else temporarily disrupting the connection. The code currently will attempt multiple times to download or upload files before reporting a failure (~5 times I believe). However, it sounds to me more like MobileSheets is trying to obtain a particular file or directory and is getting back nothing, so the error occurs. I'm not sure how to reproduce that, as I can't remember the last time a sync to Google Drive failed for me. What I ultimately may have to do is allow a sync to be resumed after failure, but this is going to require a dramatic number of changes.

Mike