I have a issue with duplicacy as a whole it seems.
Sometimes when duplicacy cannot access files, it completely stops the backup process and tries again after the set time, just to get the same error again at the same file. But for alot of files, it simply skips them instead of halting the complete backup.
In this case its a file currently in use by Skype from the appdata folder.
Here is a screenshot.
https://puu.sh/xYy7h/f34e7e5b2d.png
This little skype file causes the whole backup to stop working. However when checking the log, there are more files not accessable by duplicacy that are simply skipped in that case, wich should happen also for that skype file.
Hope this can be resolved! ^^